Question

10h + 12 = 8h + 4 (Finding Common Denominator)

Answer 1

10h +12=8h+4
Subtract 4 from both sides
10h+8=8h
SUbtract 10h from both sides
8=-2h
Divide both sides by negative 2
h=-4

Answer 2

12 + 10h = 8h + 4
12 + 10h = 4 + 8h
12 + 10h = 4 + 8h

12 + 10h + -8h = 4 + 8h 10h + -8h = 2h 12 + 2h = 4 + 8h + -8h
8h + -8h = 0 12 + 2h = 4 + 0 12 + 2h = 4
12 + -12 + 2h = 4 + -12
12 + -12 = 0 0 + 2h = 4 + -12 2h = 4 + -12
4 + -12 = -8 2h = -8
h= -4
h = -4