7(9-z)=8

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


Simplifying
7(9 + -1z) = 8
(9 * 7 + -1z * 7) = 8
(63 + -7z) = 8

Solving
63 + -7z = 8

Solving for variable 'z'.

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

Add '-63' to each side of the equation.
63 + -63 + -7z = 8 + -63

Combine like terms: 63 + -63 = 0
0 + -7z = 8 + -63
-7z = 8 + -63

Combine like terms: 8 + -63 = -55
-7z = -55

Divide each side by '-7'.
z = 7.857142857

Simplifying
z = 7.857142857

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