-2(x+7)=-20-4x

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Solution for -2(x+7)=-20-4x equation:


Simplifying
-2(x + 7) = -20 + -4x

Reorder the terms:
-2(7 + x) = -20 + -4x
(7 * -2 + x * -2) = -20 + -4x
(-14 + -2x) = -20 + -4x

Solving
-14 + -2x = -20 + -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.
-14 + -2x + 4x = -20 + -4x + 4x

Combine like terms: -2x + 4x = 2x
-14 + 2x = -20 + -4x + 4x

Combine like terms: -4x + 4x = 0
-14 + 2x = -20 + 0
-14 + 2x = -20

Add '14' to each side of the equation.
-14 + 14 + 2x = -20 + 14

Combine like terms: -14 + 14 = 0
0 + 2x = -20 + 14
2x = -20 + 14

Combine like terms: -20 + 14 = -6
2x = -6

Divide each side by '2'.
x = -3

Simplifying
x = -3

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