Question

Solve this equation -9h -6 +12h + 40=22.

Answer 1

$-9h -6 +12h + 40=22\\ 3h=-12\\ h=-4$

Answer 2

12h - 9h = 3h

40 - 6 = 34

3h + 34 = 22

3h = -12

h = -4