90=5x-11+3x-7

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Solution for 90=5x-11+3x-7 equation:


Simplifying
90 = 5x + -11 + 3x + -7

Reorder the terms:
90 = -11 + -7 + 5x + 3x

Combine like terms: -11 + -7 = -18
90 = -18 + 5x + 3x

Combine like terms: 5x + 3x = 8x
90 = -18 + 8x

Solving
90 = -18 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
90 + -8x = -18 + 8x + -8x

Combine like terms: 8x + -8x = 0
90 + -8x = -18 + 0
90 + -8x = -18

Add '-90' to each side of the equation.
90 + -90 + -8x = -18 + -90

Combine like terms: 90 + -90 = 0
0 + -8x = -18 + -90
-8x = -18 + -90

Combine like terms: -18 + -90 = -108
-8x = -108

Divide each side by '-8'.
x = 13.5

Simplifying
x = 13.5

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