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

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


Simplifying
3(x + -1y) + 4(x + y) = 0
(x * 3 + -1y * 3) + 4(x + y) = 0
(3x + -3y) + 4(x + y) = 0
3x + -3y + (x * 4 + y * 4) = 0
3x + -3y + (4x + 4y) = 0

Reorder the terms:
3x + 4x + -3y + 4y = 0

Combine like terms: 3x + 4x = 7x
7x + -3y + 4y = 0

Combine like terms: -3y + 4y = 1y
7x + 1y = 0

Solving
7x + 1y = 0

Solving for variable 'x'.

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

Add '-1y' to each side of the equation.
7x + 1y + -1y = 0 + -1y

Combine like terms: 1y + -1y = 0
7x + 0 = 0 + -1y
7x = 0 + -1y
Remove the zero:
7x = -1y

Divide each side by '7'.
x = -0.1428571429y

Simplifying
x = -0.1428571429y

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