z+12+4z-17+90=180

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Solution for z+12+4z-17+90=180 equation:


Simplifying
z + 12 + 4z + -17 + 90 = 180

Reorder the terms:
12 + -17 + 90 + z + 4z = 180

Combine like terms: 12 + -17 = -5
-5 + 90 + z + 4z = 180

Combine like terms: -5 + 90 = 85
85 + z + 4z = 180

Combine like terms: z + 4z = 5z
85 + 5z = 180

Solving
85 + 5z = 180

Solving for variable 'z'.

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

Add '-85' to each side of the equation.
85 + -85 + 5z = 180 + -85

Combine like terms: 85 + -85 = 0
0 + 5z = 180 + -85
5z = 180 + -85

Combine like terms: 180 + -85 = 95
5z = 95

Divide each side by '5'.
z = 19

Simplifying
z = 19

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