Question

5x + 7 = 42, Is x = 7 the solution for this equation? Justify your answer for

it is or it is not

Answer 1

x = 7

Explanation:

5x + 7 = 42

5x = 42 - 7

x = 35 / 5

x = 7

Answer 2

7 is a solution.

Explanation:

Step 1: Write equation

5x + 7 = 42

Step 2: Solve for x

1. Subtract 7 on both sides: 5x = 35
2. Divide both sides by 5: x =7