9(z-8)=10z-7

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Solution for 9(z-8)=10z-7 equation:


Simplifying
9(z + -8) = 10z + -7

Reorder the terms:
9(-8 + z) = 10z + -7
(-8 * 9 + z * 9) = 10z + -7
(-72 + 9z) = 10z + -7

Reorder the terms:
-72 + 9z = -7 + 10z

Solving
-72 + 9z = -7 + 10z

Solving for variable 'z'.

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

Add '-10z' to each side of the equation.
-72 + 9z + -10z = -7 + 10z + -10z

Combine like terms: 9z + -10z = -1z
-72 + -1z = -7 + 10z + -10z

Combine like terms: 10z + -10z = 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 = 65
-1z = 65

Divide each side by '-1'.
z = -65

Simplifying
z = -65

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