5x plus 2 equals x plus 7?

Answer 1

5x + 2 = x + 7

Subtract x from both sides: 4x + 2 = 7

Subtract 2 from both sides: 4x = 5

Divide by 4 on both sides: x = 5/4 = 1.25

Double-check by putting the value of x back into the equation:

(5 x 1.25)+2 = 8.25

1.25 + 7 + 8.25

Therefore x = 1.25