(8z-12)+(5z+10)+90=180

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Solution for (8z-12)+(5z+10)+90=180 equation:


Simplifying
(8z + -12) + (5z + 10) + 90 = 180

Reorder the terms:
(-12 + 8z) + (5z + 10) + 90 = 180

Remove parenthesis around (-12 + 8z)
-12 + 8z + (5z + 10) + 90 = 180

Reorder the terms:
-12 + 8z + (10 + 5z) + 90 = 180

Remove parenthesis around (10 + 5z)
-12 + 8z + 10 + 5z + 90 = 180

Reorder the terms:
-12 + 10 + 90 + 8z + 5z = 180

Combine like terms: -12 + 10 = -2
-2 + 90 + 8z + 5z = 180

Combine like terms: -2 + 90 = 88
88 + 8z + 5z = 180

Combine like terms: 8z + 5z = 13z
88 + 13z = 180

Solving
88 + 13z = 180

Solving for variable 'z'.

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

Add '-88' to each side of the equation.
88 + -88 + 13z = 180 + -88

Combine like terms: 88 + -88 = 0
0 + 13z = 180 + -88
13z = 180 + -88

Combine like terms: 180 + -88 = 92
13z = 92

Divide each side by '13'.
z = 7.076923077

Simplifying
z = 7.076923077

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