Maths-

General

Easy

Question

# Solve 5x − 7 = 4x + 12. Write a reason for each step.

Hint:

### using the additive property and subtraction property on both sides .solve for x.

## The correct answer is: x = 19

### Ans:- x = 19

Given , 5x - 7 = 4x + 12

Adding 7 on both sides by additive property of equality both sides remain equal.

5x - 7 + 7 = 4x + 12 + 7

5x = 4x +19

Subtract 4x from both sides by subtraction property of equality both sides remains equal.

5x - 4x = 4x + 19 - 4x

∴x = 19

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