7x+108=5x+90

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Solution for 7x+108=5x+90 equation:


Simplifying
7x + 108 = 5x + 90

Reorder the terms:
108 + 7x = 5x + 90

Reorder the terms:
108 + 7x = 90 + 5x

Solving
108 + 7x = 90 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
108 + 7x + -5x = 90 + 5x + -5x

Combine like terms: 7x + -5x = 2x
108 + 2x = 90 + 5x + -5x

Combine like terms: 5x + -5x = 0
108 + 2x = 90 + 0
108 + 2x = 90

Add '-108' to each side of the equation.
108 + -108 + 2x = 90 + -108

Combine like terms: 108 + -108 = 0
0 + 2x = 90 + -108
2x = 90 + -108

Combine like terms: 90 + -108 = -18
2x = -18

Divide each side by '2'.
x = -9

Simplifying
x = -9

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