-8(z-7)=-9z

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


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

Reorder the terms:
-8(-7 + z) = -9z
(-7 * -8 + z * -8) = -9z
(56 + -8z) = -9z

Solving
56 + -8z = -9z

Solving for variable 'z'.

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

Add '9z' to each side of the equation.
56 + -8z + 9z = -9z + 9z

Combine like terms: -8z + 9z = 1z
56 + 1z = -9z + 9z

Combine like terms: -9z + 9z = 0
56 + 1z = 0

Add '-56' to each side of the equation.
56 + -56 + 1z = 0 + -56

Combine like terms: 56 + -56 = 0
0 + 1z = 0 + -56
1z = 0 + -56

Combine like terms: 0 + -56 = -56
1z = -56

Divide each side by '1'.
z = -56

Simplifying
z = -56

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