90=4x-18+6x-18

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Solution for 90=4x-18+6x-18 equation:


Simplifying
90 = 4x + -18 + 6x + -18

Reorder the terms:
90 = -18 + -18 + 4x + 6x

Combine like terms: -18 + -18 = -36
90 = -36 + 4x + 6x

Combine like terms: 4x + 6x = 10x
90 = -36 + 10x

Solving
90 = -36 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
90 + -10x = -36 + 10x + -10x

Combine like terms: 10x + -10x = 0
90 + -10x = -36 + 0
90 + -10x = -36

Add '-90' to each side of the equation.
90 + -90 + -10x = -36 + -90

Combine like terms: 90 + -90 = 0
0 + -10x = -36 + -90
-10x = -36 + -90

Combine like terms: -36 + -90 = -126
-10x = -126

Divide each side by '-10'.
x = 12.6

Simplifying
x = 12.6

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