All
7a+10=2a
a=-2
3-10b=2b-9
b=1
8y - 3 = 6y + 17
y=10
-2g + 15 = 45 - 8g
g=5
4x - 7 = 2x + 15
x = 11
20k + 5 = 5k + 65
k = 4
-9y = 20 + y
y = -2
5x - 1/4 = 3x - 5/4
x = -1/2
16k - 15 = 13k
k = 5
x - 7 = 13 - x
x = 10
18 + 4.5m = 6m + 12
m = 4
3(x + 7) = 6(x + 2)
x = 3
8x -6 = 5x + 12
x = 6
-2(w +10) = 6w + 12
w = -4