-20-x=-4(x+3)+x

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Solution for -20-x=-4(x+3)+x equation:


Simplifying
-20 + -1x = -4(x + 3) + x

Reorder the terms:
-20 + -1x = -4(3 + x) + x
-20 + -1x = (3 * -4 + x * -4) + x
-20 + -1x = (-12 + -4x) + x

Combine like terms: -4x + x = -3x
-20 + -1x = -12 + -3x

Solving
-20 + -1x = -12 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
-20 + -1x + 3x = -12 + -3x + 3x

Combine like terms: -1x + 3x = 2x
-20 + 2x = -12 + -3x + 3x

Combine like terms: -3x + 3x = 0
-20 + 2x = -12 + 0
-20 + 2x = -12

Add '20' to each side of the equation.
-20 + 20 + 2x = -12 + 20

Combine like terms: -20 + 20 = 0
0 + 2x = -12 + 20
2x = -12 + 20

Combine like terms: -12 + 20 = 8
2x = 8

Divide each side by '2'.
x = 4

Simplifying
x = 4

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