11x+7=4x-21

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Solution for 11x+7=4x-21 equation:


Simplifying
11x + 7 = 4x + -21

Reorder the terms:
7 + 11x = 4x + -21

Reorder the terms:
7 + 11x = -21 + 4x

Solving
7 + 11x = -21 + 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.
7 + 11x + -4x = -21 + 4x + -4x

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

Combine like terms: 4x + -4x = 0
7 + 7x = -21 + 0
7 + 7x = -21

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

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

Combine like terms: -21 + -7 = -28
7x = -28

Divide each side by '7'.
x = -4

Simplifying
x = -4

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