z+15+2+2z-15=180

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Solution for z+15+2+2z-15=180 equation:


Simplifying
z + 15 + 2 + 2z + -15 = 180

Reorder the terms:
15 + 2 + -15 + z + 2z = 180

Combine like terms: 15 + 2 = 17
17 + -15 + z + 2z = 180

Combine like terms: 17 + -15 = 2
2 + z + 2z = 180

Combine like terms: z + 2z = 3z
2 + 3z = 180

Solving
2 + 3z = 180

Solving for variable 'z'.

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

Add '-2' to each side of the equation.
2 + -2 + 3z = 180 + -2

Combine like terms: 2 + -2 = 0
0 + 3z = 180 + -2
3z = 180 + -2

Combine like terms: 180 + -2 = 178
3z = 178

Divide each side by '3'.
z = 59.33333333

Simplifying
z = 59.33333333

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