Question

What is the justification for each step in the solution of the equation 3 (2x +7) - 4 = 53 - 3x? Use the properties of equality.

Answer 1

Answer:3(2x+7)-4=53-3x

6×+21-4=53-3x

6x+3x=53-21+4

9x=32+4

9x=36

X=36÷9

X=4

Explanation: