55z-3(9z+12)=-64

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Solution for 55z-3(9z+12)=-64 equation:


Simplifying
55z + -3(9z + 12) = -64

Reorder the terms:
55z + -3(12 + 9z) = -64
55z + (12 * -3 + 9z * -3) = -64
55z + (-36 + -27z) = -64

Reorder the terms:
-36 + 55z + -27z = -64

Combine like terms: 55z + -27z = 28z
-36 + 28z = -64

Solving
-36 + 28z = -64

Solving for variable 'z'.

Move all terms containing z to the left, all other terms to the right.

Add '36' to each side of the equation.
-36 + 36 + 28z = -64 + 36

Combine like terms: -36 + 36 = 0
0 + 28z = -64 + 36
28z = -64 + 36

Combine like terms: -64 + 36 = -28
28z = -28

Divide each side by '28'.
z = -1

Simplifying
z = -1

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