3(4x-3y)+x+3y=12x-18y

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Solution for 3(4x-3y)+x+3y=12x-18y equation:


Simplifying
3(4x + -3y) + x + 3y = 12x + -18y
(4x * 3 + -3y * 3) + x + 3y = 12x + -18y
(12x + -9y) + x + 3y = 12x + -18y

Reorder the terms:
12x + x + -9y + 3y = 12x + -18y

Combine like terms: 12x + x = 13x
13x + -9y + 3y = 12x + -18y

Combine like terms: -9y + 3y = -6y
13x + -6y = 12x + -18y

Solving
13x + -6y = 12x + -18y

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.
13x + -12x + -6y = 12x + -12x + -18y

Combine like terms: 13x + -12x = 1x
1x + -6y = 12x + -12x + -18y

Combine like terms: 12x + -12x = 0
1x + -6y = 0 + -18y
1x + -6y = -18y

Add '6y' to each side of the equation.
1x + -6y + 6y = -18y + 6y

Combine like terms: -6y + 6y = 0
1x + 0 = -18y + 6y
1x = -18y + 6y

Combine like terms: -18y + 6y = -12y
1x = -12y

Divide each side by '1'.
x = -12y

Simplifying
x = -12y

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