1)5t + 30 - 12t = 42-7t + 30 = 42-7t = 12t = -12/7
2)36(x-3) = 10 - 2(x+2)36x - 108 = 10 - 2x - 436x - 108 = 6 - 2x38x = 114x = 114/38x = 3
1)
5t + 30 - 12t = 42
-7t + 30 = 42
-7t = 12
t = -12/7
2)
36(x-3) = 10 - 2(x+2)
36x - 108 = 10 - 2x - 4
36x - 108 = 6 - 2x
38x = 114
x = 114/38
x = 3