70+x+90=180

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Solution for 70+x+90=180 equation: 


Simplifying
70 + x + 90 = 180

Reorder the terms:
70 + 90 + x = 180

Combine like terms: 70 + 90 = 160
160 + x = 180

Solving
160 + x = 180

Solving for variable 'x'.

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

Add '-160' to each side of the equation.
160 + -160 + x = 180 + -160

Combine like terms: 160 + -160 = 0
0 + x = 180 + -160
x = 180 + -160

Combine like terms: 180 + -160 = 20
x = 20

Simplifying
x = 20

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