3x+8-(4+2x)=6(2x+1)+9

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Solution for 3x+8-(4+2x)=6(2x+1)+9 equation:


Simplifying
3x + 8 + -1(4 + 2x) = 6(2x + 1) + 9
3x + 8 + (4 * -1 + 2x * -1) = 6(2x + 1) + 9
3x + 8 + (-4 + -2x) = 6(2x + 1) + 9

Reorder the terms:
8 + -4 + 3x + -2x = 6(2x + 1) + 9

Combine like terms: 8 + -4 = 4
4 + 3x + -2x = 6(2x + 1) + 9

Combine like terms: 3x + -2x = 1x
4 + 1x = 6(2x + 1) + 9

Reorder the terms:
4 + 1x = 6(1 + 2x) + 9
4 + 1x = (1 * 6 + 2x * 6) + 9
4 + 1x = (6 + 12x) + 9

Reorder the terms:
4 + 1x = 6 + 9 + 12x

Combine like terms: 6 + 9 = 15
4 + 1x = 15 + 12x

Solving
4 + 1x = 15 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
4 + 1x + -12x = 15 + 12x + -12x

Combine like terms: 1x + -12x = -11x
4 + -11x = 15 + 12x + -12x

Combine like terms: 12x + -12x = 0
4 + -11x = 15 + 0
4 + -11x = 15

Add '-4' to each side of the equation.
4 + -4 + -11x = 15 + -4

Combine like terms: 4 + -4 = 0
0 + -11x = 15 + -4
-11x = 15 + -4

Combine like terms: 15 + -4 = 11
-11x = 11

Divide each side by '-11'.
x = -1

Simplifying
x = -1

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