5x-8+7x-10=90

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Solution for 5x-8+7x-10=90 equation:


Simplifying
5x + -8 + 7x + -10 = 90

Reorder the terms:
-8 + -10 + 5x + 7x = 90

Combine like terms: -8 + -10 = -18
-18 + 5x + 7x = 90

Combine like terms: 5x + 7x = 12x
-18 + 12x = 90

Solving
-18 + 12x = 90

Solving for variable 'x'.

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

Add '18' to each side of the equation.
-18 + 18 + 12x = 90 + 18

Combine like terms: -18 + 18 = 0
0 + 12x = 90 + 18
12x = 90 + 18

Combine like terms: 90 + 18 = 108
12x = 108

Divide each side by '12'.
x = 9

Simplifying
x = 9

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