3(2x-4y)-2(x+9y)=

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Solution for 3(2x-4y)-2(x+9y)= equation:


Simplifying
3(2x + -4y) + -2(x + 9y) = 0
(2x * 3 + -4y * 3) + -2(x + 9y) = 0
(6x + -12y) + -2(x + 9y) = 0
6x + -12y + (x * -2 + 9y * -2) = 0
6x + -12y + (-2x + -18y) = 0

Reorder the terms:
6x + -2x + -12y + -18y = 0

Combine like terms: 6x + -2x = 4x
4x + -12y + -18y = 0

Combine like terms: -12y + -18y = -30y
4x + -30y = 0

Solving
4x + -30y = 0

Solving for variable 'x'.

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

Add '30y' to each side of the equation.
4x + -30y + 30y = 0 + 30y

Combine like terms: -30y + 30y = 0
4x + 0 = 0 + 30y
4x = 0 + 30y
Remove the zero:
4x = 30y

Divide each side by '4'.
x = 7.5y

Simplifying
x = 7.5y

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