-20-3x=28+x

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Solution for -20-3x=28+x equation:


Simplifying
-20 + -3x = 28 + x

Solving
-20 + -3x = 28 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-20 + -3x + -1x = 28 + x + -1x

Combine like terms: -3x + -1x = -4x
-20 + -4x = 28 + x + -1x

Combine like terms: x + -1x = 0
-20 + -4x = 28 + 0
-20 + -4x = 28

Add '20' to each side of the equation.
-20 + 20 + -4x = 28 + 20

Combine like terms: -20 + 20 = 0
0 + -4x = 28 + 20
-4x = 28 + 20

Combine like terms: 28 + 20 = 48
-4x = 48

Divide each side by '-4'.
x = -12

Simplifying
x = -12

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