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Solve each equation, if possible.$$2-3(x-5)=4(x-1)$$
3
Precalculus
Algebra
Chapter 2
Equations, Inequalities, and Problem Solving
Section 2
More about Solving Equations
Algebra Topics That are Reviewed at the Start of the Semester
Equations and Inequalities
McMaster University
Harvey Mudd College
Baylor University
Idaho State University
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okay, if you want to solve two minus three times X minus five equals four times X minus one. You're going to want to distribute to get this problem off the ground. So I have to minus and then the three times X would be three X and then don't miss. I have a negative three times and negative five. So that would be a positive 15 equals four times X, which is four x four times negative one. So negative four. Okay, I'm gonna clean things up a little bit. So I have 17 minus three. X equals four X minus four and I'm gonna want to get my variables to one side and my integers to the other side. So let's just go ahead and add four. I get 21 minus three X equals four X and then I'm gonna want to move my variables to the other side. So let's go ahead and add three X that will undo the negative three AKs. So 21 equals seven x and last but not least seven times X is gonna be undone with division, so X equals three. Okay, we want to check that this work so here we go to minus three. Is that three minus five? Going to be equal to four times three minus one or two minus three times negative, too. Is that equal to four times two or two plus six? Is it equal to eight? Yes, we can already see that equals eight, so X equals three.
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