90=7x-8

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Solution for 90=7x-8 equation:


Simplifying
90 = 7x + -8

Reorder the terms:
90 = -8 + 7x

Solving
90 = -8 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
90 + -7x = -8 + 7x + -7x

Combine like terms: 7x + -7x = 0
90 + -7x = -8 + 0
90 + -7x = -8

Add '-90' to each side of the equation.
90 + -90 + -7x = -8 + -90

Combine like terms: 90 + -90 = 0
0 + -7x = -8 + -90
-7x = -8 + -90

Combine like terms: -8 + -90 = -98
-7x = -98

Divide each side by '-7'.
x = 14

Simplifying
x = 14

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