Question

Solve 7x + 4 = 5x + 8 + 2x - 10

Answer 1

7x + 4 = 5x + 8 + 2x - 10

7x + 4 = 7x + 8 - 10

7x + 4 = 7x - 2 (cancel out equal terms here)

4 = -2

ANSWER: no solution

Answer 2

So, 7x + 4 = 10x - 2;

Then, 4 + 2 = 10x - 7x;

6 = 3x;

x = 6 ÷ 3;

x = 2.