9(x-10)-8x=9

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Solution for 9(x-10)-8x=9 equation:


Simplifying
9(x + -10) + -8x = 9

Reorder the terms:
9(-10 + x) + -8x = 9
(-10 * 9 + x * 9) + -8x = 9
(-90 + 9x) + -8x = 9

Combine like terms: 9x + -8x = 1x
-90 + 1x = 9

Solving
-90 + 1x = 9

Solving for variable 'x'.

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

Add '90' to each side of the equation.
-90 + 90 + 1x = 9 + 90

Combine like terms: -90 + 90 = 0
0 + 1x = 9 + 90
1x = 9 + 90

Combine like terms: 9 + 90 = 99
1x = 99

Divide each side by '1'.
x = 99

Simplifying
x = 99

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