9x-21=-56+4x

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Solution for 9x-21=-56+4x equation:


Simplifying
9x + -21 = -56 + 4x

Reorder the terms:
-21 + 9x = -56 + 4x

Solving
-21 + 9x = -56 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
-21 + 9x + -4x = -56 + 4x + -4x

Combine like terms: 9x + -4x = 5x
-21 + 5x = -56 + 4x + -4x

Combine like terms: 4x + -4x = 0
-21 + 5x = -56 + 0
-21 + 5x = -56

Add '21' to each side of the equation.
-21 + 21 + 5x = -56 + 21

Combine like terms: -21 + 21 = 0
0 + 5x = -56 + 21
5x = -56 + 21

Combine like terms: -56 + 21 = -35
5x = -35

Divide each side by '5'.
x = -7

Simplifying
x = -7

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