x+10+8x-10=90

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


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

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

Combine like terms: 10 + -10 = 0
0 + x + 8x = 90
x + 8x = 90

Combine like terms: x + 8x = 9x
9x = 90

Solving
9x = 90

Solving for variable 'x'.

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

Divide each side by '9'.
x = 10

Simplifying
x = 10

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