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Solve each equation, if possible. $$ \frac{1}{3}(…

01:35

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Problem 1 Problem 2 Problem 3 Problem 4 Problem 5 Problem 6 Problem 7 Problem 8 Problem 9 Problem 10 Problem 11 Problem 12 Problem 13 Problem 14 Problem 15 Problem 16 Problem 17 Problem 18 Problem 19 Problem 20 Problem 21 Problem 22 Problem 23 Problem 24 Problem 25 Problem 26 Problem 27 Problem 28 Problem 29 Problem 30 Problem 31 Problem 32 Problem 33 Problem 34 Problem 35 Problem 36 Problem 37 Problem 38 Problem 39 Problem 40 Problem 41 Problem 42 Problem 43 Problem 44 Problem 45 Problem 46 Problem 47 Problem 48 Problem 49 Problem 50 Problem 51 Problem 52 Problem 53 Problem 54 Problem 55 Problem 56 Problem 57 Problem 58 Problem 58 Problem 59 Problem 60 Problem 61 Problem 62 Problem 63 Problem 64 Problem 65 Problem 66 Problem 67 Problem 68 Problem 69 Problem 70 Problem 71 Problem 72 Problem 73 Problem 74 Problem 75 Problem 76 Problem 77 Problem 78 Problem 79 Problem 80 Problem 81 Problem 82 Problem 83 Problem 84 Problem 85 Problem 86 Problem 87 Problem 88 Problem 89 Problem 90 Problem 91 Problem 92 Problem 94 Problem 95 Problem 96 Problem 97 Problem 98 Problem 99 Problem 100 Problem 101 Problem 102 Problem 103 Problem 104 Problem 105 Problem 106 Problem 107 Problem 108 Problem 109 Problem 110 Problem 111 Problem 112 Problem 113 Problem 114 Problem 115 Problem 116 Problem 117 Problem 118 Problem 119 Problem 120 Problem 121 Problem 122 Problem 123 Problem 124

Problem 89 Hard Difficulty

Solve each equation, if possible.
$$
\frac{1}{4}(10-2 y)=8
$$

Answer

-11

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Algebra

Elementary and Intermediate Algebra

Chapter 2

Equations, Inequalities, and Problem Solving

Section 2

More about Solving Equations

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Algebra Topics That are Reviewed at the Start of the Semester

Equations and Inequalities

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Video Transcript

Okay, we're solving 1/4 times 10 minus two. Why equals eight and you can distribute this 1/4. But this is gonna be a whole heck of a lot easier if we just go ahead and clear the fraction. And we're gonna do that by multiplying both sides by the denominator, which is four. Okay, that allows us to Caracas off this four here. And I end up with one times 10 minus two. Why equals eight times four, which is 32 or even better, 10 minus two. Why? Since that one is a relevant equals 32. Okay, Next, we would go about solving this, like a regular two step equation. So I want to get to the why I would get to the negative to last. So let's get rid of this 10 and move it to the right by subtracting it. And I have negative to y equals 22. Since the negative too, is attached to the Y with multiplication, I will divide it by negative too. And I end up with y equals negative 11. Okay, let's check that. This is actually correct. I have 1/4 times 10 minus two times negative 11. Is that equal to eight? So 1/4 times. Okay, I have 10. This is gonna be plus 22. So 32 is that equal to eight, while 1/4 of 32 is eight. So this works and why equals negative 11th.

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Alan S. Tussy, R. David Gustafson

Elementary and Intermediate Algebra

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