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Chapter 2: Q. 2.129 (page 272)

Solve the formula 4x+7y=9for y.

Short Answer

Expert verified

Thesimplifiedequationisy=9鈭�4x7

Step by step solution

01

Step 1. Given information.

The given equation is 4x+7y=9

We have to solve the given equaitonn for y.

02

Step 2. Explanation

鈬�4x+7y=9鈬�4x鈭�4x+7y=9鈭�4x(Subtract4xfrombothsidestoisolateyterm)鈬�7y=9鈭�4x(Simplify)鈬�7y7=9鈭�4x7(Dividebothsideby7)鈬�y=9鈭�4x7(Simplify)Thesimplifiedequationisy=9鈭�4x7

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Most popular questions from this chapter

In the following exercise, solve each equation using the Subtraction and Addition Properties of Equality.
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Solvea鈭�7=鈭�42.

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