36-x+7x=90

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Solution for 36-x+7x=90 equation: 


Simplifying
36 + -1x + 7x = 90

Combine like terms: -1x + 7x = 6x
36 + 6x = 90

Solving
36 + 6x = 90

Solving for variable 'x'.

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

Add '-36' to each side of the equation.
36 + -36 + 6x = 90 + -36

Combine like terms: 36 + -36 = 0
0 + 6x = 90 + -36
6x = 90 + -36

Combine like terms: 90 + -36 = 54
6x = 54

Divide each side by '6'.
x = 9

Simplifying
x = 9

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