z+70+80=180

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Solution for z+70+80=180 equation: 


Simplifying
z + 70 + 80 = 180

Reorder the terms:
70 + 80 + z = 180

Combine like terms: 70 + 80 = 150
150 + z = 180

Solving
150 + z = 180

Solving for variable 'z'.

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

Add '-150' to each side of the equation.
150 + -150 + z = 180 + -150

Combine like terms: 150 + -150 = 0
0 + z = 180 + -150
z = 180 + -150

Combine like terms: 180 + -150 = 30
z = 30

Simplifying
z = 30

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