-77-x=4x+28

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Solution for -77-x=4x+28 equation:


Simplifying
-77 + -1x = 4x + 28

Reorder the terms:
-77 + -1x = 28 + 4x

Solving
-77 + -1x = 28 + 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.
-77 + -1x + -4x = 28 + 4x + -4x

Combine like terms: -1x + -4x = -5x
-77 + -5x = 28 + 4x + -4x

Combine like terms: 4x + -4x = 0
-77 + -5x = 28 + 0
-77 + -5x = 28

Add '77' to each side of the equation.
-77 + 77 + -5x = 28 + 77

Combine like terms: -77 + 77 = 0
0 + -5x = 28 + 77
-5x = 28 + 77

Combine like terms: 28 + 77 = 105
-5x = 105

Divide each side by '-5'.
x = -21

Simplifying
x = -21

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