Addition
2/3x = 12
What is 18
x/4 = -12
What is -48
3/5x = -6
What is -10
-5e = -40
What is 8
9t - 5t = -40
What is -10
x - 32 = -64
What is -32
-11x = 121
What is -11
-28 = a/-13
What is 364
-16x - 20x = -72
What is 2
x - (-16) = -90
What is -106
-20y = -500
What is 25
-7/8x = 1/4
What is -2/7