-9(z+8)=7-8z

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Solution for -9(z+8)=7-8z equation:


Simplifying
-9(z + 8) = 7 + -8z

Reorder the terms:
-9(8 + z) = 7 + -8z
(8 * -9 + z * -9) = 7 + -8z
(-72 + -9z) = 7 + -8z

Solving
-72 + -9z = 7 + -8z

Solving for variable 'z'.

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

Add '8z' to each side of the equation.
-72 + -9z + 8z = 7 + -8z + 8z

Combine like terms: -9z + 8z = -1z
-72 + -1z = 7 + -8z + 8z

Combine like terms: -8z + 8z = 0
-72 + -1z = 7 + 0
-72 + -1z = 7

Add '72' to each side of the equation.
-72 + 72 + -1z = 7 + 72

Combine like terms: -72 + 72 = 0
0 + -1z = 7 + 72
-1z = 7 + 72

Combine like terms: 7 + 72 = 79
-1z = 79

Divide each side by '-1'.
z = -79

Simplifying
z = -79

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