3(7x-4y+2)-4(2x+2y-4)=

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Solution for 3(7x-4y+2)-4(2x+2y-4)= equation:


Simplifying
3(7x + -4y + 2) + -4(2x + 2y + -4) = 0

Reorder the terms:
3(2 + 7x + -4y) + -4(2x + 2y + -4) = 0
(2 * 3 + 7x * 3 + -4y * 3) + -4(2x + 2y + -4) = 0
(6 + 21x + -12y) + -4(2x + 2y + -4) = 0

Reorder the terms:
6 + 21x + -12y + -4(-4 + 2x + 2y) = 0
6 + 21x + -12y + (-4 * -4 + 2x * -4 + 2y * -4) = 0
6 + 21x + -12y + (16 + -8x + -8y) = 0

Reorder the terms:
6 + 16 + 21x + -8x + -12y + -8y = 0

Combine like terms: 6 + 16 = 22
22 + 21x + -8x + -12y + -8y = 0

Combine like terms: 21x + -8x = 13x
22 + 13x + -12y + -8y = 0

Combine like terms: -12y + -8y = -20y
22 + 13x + -20y = 0

Solving
22 + 13x + -20y = 0

Solving for variable 'x'.

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

Add '-22' to each side of the equation.
22 + 13x + -22 + -20y = 0 + -22

Reorder the terms:
22 + -22 + 13x + -20y = 0 + -22

Combine like terms: 22 + -22 = 0
0 + 13x + -20y = 0 + -22
13x + -20y = 0 + -22

Combine like terms: 0 + -22 = -22
13x + -20y = -22

Add '20y' to each side of the equation.
13x + -20y + 20y = -22 + 20y

Combine like terms: -20y + 20y = 0
13x + 0 = -22 + 20y
13x = -22 + 20y

Divide each side by '13'.
x = -1.692307692 + 1.538461538y

Simplifying
x = -1.692307692 + 1.538461538y

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