8x-13+7x-17=90

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Solution for 8x-13+7x-17=90 equation:


Simplifying
8x + -13 + 7x + -17 = 90

Reorder the terms:
-13 + -17 + 8x + 7x = 90

Combine like terms: -13 + -17 = -30
-30 + 8x + 7x = 90

Combine like terms: 8x + 7x = 15x
-30 + 15x = 90

Solving
-30 + 15x = 90

Solving for variable 'x'.

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

Add '30' to each side of the equation.
-30 + 30 + 15x = 90 + 30

Combine like terms: -30 + 30 = 0
0 + 15x = 90 + 30
15x = 90 + 30

Combine like terms: 90 + 30 = 120
15x = 120

Divide each side by '15'.
x = 8

Simplifying
x = 8

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