2-21=9x-2-8x

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Solution for 2-21=9x-2-8x equation:


Simplifying
2 + -21 = 9x + -2 + -8x

Combine like terms: 2 + -21 = -19
-19 = 9x + -2 + -8x

Reorder the terms:
-19 = -2 + 9x + -8x

Combine like terms: 9x + -8x = 1x
-19 = -2 + 1x

Solving
-19 = -2 + 1x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-19 + -1x = -2 + 1x + -1x

Combine like terms: 1x + -1x = 0
-19 + -1x = -2 + 0
-19 + -1x = -2

Add '19' to each side of the equation.
-19 + 19 + -1x = -2 + 19

Combine like terms: -19 + 19 = 0
0 + -1x = -2 + 19
-1x = -2 + 19

Combine like terms: -2 + 19 = 17
-1x = 17

Divide each side by '-1'.
x = -17

Simplifying
x = -17

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