3x-1+3x-1=12-x

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Solution for 3x-1+3x-1=12-x equation:


Simplifying
3x + -1 + 3x + -1 = 12 + -1x

Reorder the terms:
-1 + -1 + 3x + 3x = 12 + -1x

Combine like terms: -1 + -1 = -2
-2 + 3x + 3x = 12 + -1x

Combine like terms: 3x + 3x = 6x
-2 + 6x = 12 + -1x

Solving
-2 + 6x = 12 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
-2 + 6x + x = 12 + -1x + x

Combine like terms: 6x + x = 7x
-2 + 7x = 12 + -1x + x

Combine like terms: -1x + x = 0
-2 + 7x = 12 + 0
-2 + 7x = 12

Add '2' to each side of the equation.
-2 + 2 + 7x = 12 + 2

Combine like terms: -2 + 2 = 0
0 + 7x = 12 + 2
7x = 12 + 2

Combine like terms: 12 + 2 = 14
7x = 14

Divide each side by '7'.
x = 2

Simplifying
x = 2

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