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1/24 x 24m = 1/24 x 12
m = 12/24
m = 1/2
b) 3z + 11 = -28
3z + 11 - 11 = -28 -11
3z = -39
z=-39/3
z = -13
c)-4x - 15 = 1 - 8x
-4x + 4x - 15 = 1 - 8x + 4x
-15 = 1 -4x
-15 - 1 = 1 - 1 - 4x
-16 = -4x
16 = 4x
x = 16/4
x = 4