x-11=9x+21

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Solution for x-11=9x+21 equation:


Simplifying
x + -11 = 9x + 21

Reorder the terms:
-11 + x = 9x + 21

Reorder the terms:
-11 + x = 21 + 9x

Solving
-11 + x = 21 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
-11 + x + -9x = 21 + 9x + -9x

Combine like terms: x + -9x = -8x
-11 + -8x = 21 + 9x + -9x

Combine like terms: 9x + -9x = 0
-11 + -8x = 21 + 0
-11 + -8x = 21

Add '11' to each side of the equation.
-11 + 11 + -8x = 21 + 11

Combine like terms: -11 + 11 = 0
0 + -8x = 21 + 11
-8x = 21 + 11

Combine like terms: 21 + 11 = 32
-8x = 32

Divide each side by '-8'.
x = -4

Simplifying
x = -4

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