6x+7-2(-3x-1)=3(x-1)

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Solution for 6x+7-2(-3x-1)=3(x-1) equation:


Simplifying
6x + 7 + -2(-3x + -1) = 3(x + -1)

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

Reorder the terms:
7 + 2 + 6x + 6x = 3(x + -1)

Combine like terms: 7 + 2 = 9
9 + 6x + 6x = 3(x + -1)

Combine like terms: 6x + 6x = 12x
9 + 12x = 3(x + -1)

Reorder the terms:
9 + 12x = 3(-1 + x)
9 + 12x = (-1 * 3 + x * 3)
9 + 12x = (-3 + 3x)

Solving
9 + 12x = -3 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
9 + 12x + -3x = -3 + 3x + -3x

Combine like terms: 12x + -3x = 9x
9 + 9x = -3 + 3x + -3x

Combine like terms: 3x + -3x = 0
9 + 9x = -3 + 0
9 + 9x = -3

Add '-9' to each side of the equation.
9 + -9 + 9x = -3 + -9

Combine like terms: 9 + -9 = 0
0 + 9x = -3 + -9
9x = -3 + -9

Combine like terms: -3 + -9 = -12
9x = -12

Divide each side by '9'.
x = -1.333333333

Simplifying
x = -1.333333333

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