2(7-x)-4x=20

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


Simplifying
2(7 + -1x) + -4x = 20
(7 * 2 + -1x * 2) + -4x = 20
(14 + -2x) + -4x = 20

Combine like terms: -2x + -4x = -6x
14 + -6x = 20

Solving
14 + -6x = 20

Solving for variable 'x'.

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

Add '-14' to each side of the equation.
14 + -14 + -6x = 20 + -14

Combine like terms: 14 + -14 = 0
0 + -6x = 20 + -14
-6x = 20 + -14

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

Divide each side by '-6'.
x = -1

Simplifying
x = -1

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