9(z+7)=8z

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


Simplifying
9(z + 7) = 8z

Reorder the terms:
9(7 + z) = 8z
(7 * 9 + z * 9) = 8z
(63 + 9z) = 8z

Solving
63 + 9z = 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.
63 + 9z + -8z = 8z + -8z

Combine like terms: 9z + -8z = 1z
63 + 1z = 8z + -8z

Combine like terms: 8z + -8z = 0
63 + 1z = 0

Add '-63' to each side of the equation.
63 + -63 + 1z = 0 + -63

Combine like terms: 63 + -63 = 0
0 + 1z = 0 + -63
1z = 0 + -63

Combine like terms: 0 + -63 = -63
1z = -63

Divide each side by '1'.
z = -63

Simplifying
z = -63

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