4z+2+8z-8+90=180

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Solution for 4z+2+8z-8+90=180 equation: 


Simplifying
4z + 2 + 8z + -8 + 90 = 180

Reorder the terms:
2 + -8 + 90 + 4z + 8z = 180

Combine like terms: 2 + -8 = -6
-6 + 90 + 4z + 8z = 180

Combine like terms: -6 + 90 = 84
84 + 4z + 8z = 180

Combine like terms: 4z + 8z = 12z
84 + 12z = 180

Solving
84 + 12z = 180

Solving for variable 'z'.

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

Add '-84' to each side of the equation.
84 + -84 + 12z = 180 + -84

Combine like terms: 84 + -84 = 0
0 + 12z = 180 + -84
12z = 180 + -84

Combine like terms: 180 + -84 = 96
12z = 96

Divide each side by '12'.
z = 8

Simplifying
z = 8

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