102+65z+7z=5z+6z-81

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Solution for 102+65z+7z=5z+6z-81 equation:


Simplifying
102 + 65z + 7z = 5z + 6z + -81

Combine like terms: 65z + 7z = 72z
102 + 72z = 5z + 6z + -81

Reorder the terms:
102 + 72z = -81 + 5z + 6z

Combine like terms: 5z + 6z = 11z
102 + 72z = -81 + 11z

Solving
102 + 72z = -81 + 11z

Solving for variable 'z'.

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

Add '-11z' to each side of the equation.
102 + 72z + -11z = -81 + 11z + -11z

Combine like terms: 72z + -11z = 61z
102 + 61z = -81 + 11z + -11z

Combine like terms: 11z + -11z = 0
102 + 61z = -81 + 0
102 + 61z = -81

Add '-102' to each side of the equation.
102 + -102 + 61z = -81 + -102

Combine like terms: 102 + -102 = 0
0 + 61z = -81 + -102
61z = -81 + -102

Combine like terms: -81 + -102 = -183
61z = -183

Divide each side by '61'.
z = -3

Simplifying
z = -3

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