90+45+9x=180

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Solution for 90+45+9x=180 equation: 


Simplifying
90 + 45 + 9x = 180

Combine like terms: 90 + 45 = 135
135 + 9x = 180

Solving
135 + 9x = 180

Solving for variable 'x'.

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

Add '-135' to each side of the equation.
135 + -135 + 9x = 180 + -135

Combine like terms: 135 + -135 = 0
0 + 9x = 180 + -135
9x = 180 + -135

Combine like terms: 180 + -135 = 45
9x = 45

Divide each side by '9'.
x = 5

Simplifying
x = 5

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