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

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


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

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

Reorder the terms:
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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