9x+90=3x+18

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Solution for 9x+90=3x+18 equation:


Simplifying
9x + 90 = 3x + 18

Reorder the terms:
90 + 9x = 3x + 18

Reorder the terms:
90 + 9x = 18 + 3x

Solving
90 + 9x = 18 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
90 + 9x + -3x = 18 + 3x + -3x

Combine like terms: 9x + -3x = 6x
90 + 6x = 18 + 3x + -3x

Combine like terms: 3x + -3x = 0
90 + 6x = 18 + 0
90 + 6x = 18

Add '-90' to each side of the equation.
90 + -90 + 6x = 18 + -90

Combine like terms: 90 + -90 = 0
0 + 6x = 18 + -90
6x = 18 + -90

Combine like terms: 18 + -90 = -72
6x = -72

Divide each side by '6'.
x = -12

Simplifying
x = -12

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