Solve. (3 y-8 y)/(7)=15

Name: Problem 112, Chapter 5: Prealgebra and Introductory Algebra
Uploaded: 2020-06-22T00:58:25-08:00
Duration: 1 min 18 s
Channel: Ethan Somes
Description: Solve. (3 y-8 y)/(7)=15

step 1 Here we have the equation 3y minus 8y divided by 7 equals 15. So the first thing I can see here

Question

Solve. $$\frac{3 y-8 y}{7}=15$$

   Solve.
$$\frac{3 y-8 y}{7}=15$$

Prealgebra and Introductory Algebra

Richard N. Aufmann,… 3rd Edition

Chapter 5, Problem 112

Instant Answer

Solved by Expert Ethan Somes

06/22/2020

Step 1

This gives us $3y - 8y = -5y$. So, the equation becomes: $$\frac{-5y}{7}=15$$ Show more…

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Solve. $$\frac{3 y-8 y}{7}=15$$

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Key Concepts

Multiplication Property of Equality

The multiplication property of equality states that both sides of an equation can be multiplied or divided by the same non-zero number without changing the equality. This property is essential for isolating variables and solving equations efficiently.

Linear Equations

Linear equations are algebraic expressions that involve variables raised only to the first power and can be solved by performing arithmetic operations to isolate the variable. They form the foundation of algebra and are used to model a wide range of real-world situations.

Combining Like Terms

Combining like terms is a technique used in algebra where terms with the same variable and exponent are consolidated into a single term. This process simplifies expressions and makes it easier to solve equations by reducing the number of terms.

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