4x+21=11x-56

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Solution for 4x+21=11x-56 equation:


Simplifying
4x + 21 = 11x + -56

Reorder the terms:
21 + 4x = 11x + -56

Reorder the terms:
21 + 4x = -56 + 11x

Solving
21 + 4x = -56 + 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 + 4x + -11x = -56 + 11x + -11x

Combine like terms: 4x + -11x = -7x
21 + -7x = -56 + 11x + -11x

Combine like terms: 11x + -11x = 0
21 + -7x = -56 + 0
21 + -7x = -56

Add '-21' to each side of the equation.
21 + -21 + -7x = -56 + -21

Combine like terms: 21 + -21 = 0
0 + -7x = -56 + -21
-7x = -56 + -21

Combine like terms: -56 + -21 = -77
-7x = -77

Divide each side by '-7'.
x = 11

Simplifying
x = 11

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