12+4x=2(7x-3)-x

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Solution for 12+4x=2(7x-3)-x equation:


Simplifying
12 + 4x = 2(7x + -3) + -1x

Reorder the terms:
12 + 4x = 2(-3 + 7x) + -1x
12 + 4x = (-3 * 2 + 7x * 2) + -1x
12 + 4x = (-6 + 14x) + -1x

Combine like terms: 14x + -1x = 13x
12 + 4x = -6 + 13x

Solving
12 + 4x = -6 + 13x

Solving for variable 'x'.

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

Add '-13x' to each side of the equation.
12 + 4x + -13x = -6 + 13x + -13x

Combine like terms: 4x + -13x = -9x
12 + -9x = -6 + 13x + -13x

Combine like terms: 13x + -13x = 0
12 + -9x = -6 + 0
12 + -9x = -6

Add '-12' to each side of the equation.
12 + -12 + -9x = -6 + -12

Combine like terms: 12 + -12 = 0
0 + -9x = -6 + -12
-9x = -6 + -12

Combine like terms: -6 + -12 = -18
-9x = -18

Divide each side by '-9'.
x = 2

Simplifying
x = 2

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