2(6-4x)=21-9x

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Solution for 2(6-4x)=21-9x equation:


Simplifying
2(6 + -4x) = 21 + -9x
(6 * 2 + -4x * 2) = 21 + -9x
(12 + -8x) = 21 + -9x

Solving
12 + -8x = 21 + -9x

Solving for variable 'x'.

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

Add '9x' to each side of the equation.
12 + -8x + 9x = 21 + -9x + 9x

Combine like terms: -8x + 9x = 1x
12 + 1x = 21 + -9x + 9x

Combine like terms: -9x + 9x = 0
12 + 1x = 21 + 0
12 + 1x = 21

Add '-12' to each side of the equation.
12 + -12 + 1x = 21 + -12

Combine like terms: 12 + -12 = 0
0 + 1x = 21 + -12
1x = 21 + -12

Combine like terms: 21 + -12 = 9
1x = 9

Divide each side by '1'.
x = 9

Simplifying
x = 9

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