2(6-2x)-7x=21

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Solution for 2(6-2x)-7x=21 equation: 


Simplifying
2(6 + -2x) + -7x = 21
(6 * 2 + -2x * 2) + -7x = 21
(12 + -4x) + -7x = 21

Combine like terms: -4x + -7x = -11x
12 + -11x = 21

Solving
12 + -11x = 21

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + -11x = 21 + -12

Combine like terms: 12 + -12 = 0
0 + -11x = 21 + -12
-11x = 21 + -12

Combine like terms: 21 + -12 = 9
-11x = 9

Divide each side by '-11'.
x = -0.8181818182

Simplifying
x = -0.8181818182

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