8x-21=11x+21

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Solution for 8x-21=11x+21 equation:


Simplifying
8x + -21 = 11x + 21

Reorder the terms:
-21 + 8x = 11x + 21

Reorder the terms:
-21 + 8x = 21 + 11x

Solving
-21 + 8x = 21 + 11x

Solving for variable 'x'.

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

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

Combine like terms: 8x + -11x = -3x
-21 + -3x = 21 + 11x + -11x

Combine like terms: 11x + -11x = 0
-21 + -3x = 21 + 0
-21 + -3x = 21

Add '21' to each side of the equation.
-21 + 21 + -3x = 21 + 21

Combine like terms: -21 + 21 = 0
0 + -3x = 21 + 21
-3x = 21 + 21

Combine like terms: 21 + 21 = 42
-3x = 42

Divide each side by '-3'.
x = -14

Simplifying
x = -14

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