(x+y)-1(7x-2y)=

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Solution for (x+y)-1(7x-2y)= equation:


Simplifying
(x + y) + -1(7x + -2y) = 0

Remove parenthesis around (x + y)
x + y + -1(7x + -2y) = 0
x + y + (7x * -1 + -2y * -1) = 0
x + y + (-7x + 2y) = 0

Reorder the terms:
x + -7x + y + 2y = 0

Combine like terms: x + -7x = -6x
-6x + y + 2y = 0

Combine like terms: y + 2y = 3y
-6x + 3y = 0

Solving
-6x + 3y = 0

Solving for variable 'x'.

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

Add '-3y' to each side of the equation.
-6x + 3y + -3y = 0 + -3y

Combine like terms: 3y + -3y = 0
-6x + 0 = 0 + -3y
-6x = 0 + -3y
Remove the zero:
-6x = -3y

Divide each side by '-6'.
x = 0.5y

Simplifying
x = 0.5y

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