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m =
m =
b. 3z + 11 = -28
3z = -28 - 11
3z = - 39
z = -13
c. 25 - 4y = 6y + 15
-4y - 6y = 15 - 25
-10y = -10
y = 1
d. -4x - 15 = 1 - 8x
-4x + 8x = 1 + 15
4x = 16
x = 4
e.
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