13+x+90=180

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Solution for 13+x+90=180 equation: 


Simplifying
13 + x + 90 = 180

Reorder the terms:
13 + 90 + x = 180

Combine like terms: 13 + 90 = 103
103 + x = 180

Solving
103 + x = 180

Solving for variable 'x'.

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

Add '-103' to each side of the equation.
103 + -103 + x = 180 + -103

Combine like terms: 103 + -103 = 0
0 + x = 180 + -103
x = 180 + -103

Combine like terms: 180 + -103 = 77
x = 77

Simplifying
x = 77

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