90+50+x+20=180

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Solution for 90+50+x+20=180 equation:


Simplifying
90 + 50 + x + 20 = 180

Reorder the terms:
90 + 50 + 20 + x = 180

Combine like terms: 90 + 50 = 140
140 + 20 + x = 180

Combine like terms: 140 + 20 = 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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