-9h-6+12h+40=22 solve the equation I don't have a clue please help

2 answers

-9h - 6 + 12h + 40 = 22

( -9h + 12h ) - ( 6 + 40 ) = 22

3h + 34 = 22

3h = 22 -34

3h = - 12 Divide both sides with 3

h = -4
Correction:

( -9h + 12h ) + ( - 6 + 40 ) = 22