7x-3(x-y)-y=

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


Simplifying
7x + -3(x + -1y) + -1y = 0
7x + (x * -3 + -1y * -3) + -1y = 0
7x + (-3x + 3y) + -1y = 0

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

Combine like terms: 3y + -1y = 2y
4x + 2y = 0

Solving
4x + 2y = 0

Solving for variable 'x'.

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

Add '-2y' to each side of the equation.
4x + 2y + -2y = 0 + -2y

Combine like terms: 2y + -2y = 0
4x + 0 = 0 + -2y
4x = 0 + -2y
Remove the zero:
4x = -2y

Divide each side by '4'.
x = -0.5y

Simplifying
x = -0.5y

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