7x+4y+(2x+8y)=

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Solution for 7x+4y+(2x+8y)= equation: 


Simplifying
7x + 4y + (2x + 8y) = 0

Remove parenthesis around (2x + 8y)
7x + 4y + 2x + 8y = 0

Reorder the terms:
7x + 2x + 4y + 8y = 0

Combine like terms: 7x + 2x = 9x
9x + 4y + 8y = 0

Combine like terms: 4y + 8y = 12y
9x + 12y = 0

Solving
9x + 12y = 0

Solving for variable 'x'.

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

Add '-12y' to each side of the equation.
9x + 12y + -12y = 0 + -12y

Combine like terms: 12y + -12y = 0
9x + 0 = 0 + -12y
9x = 0 + -12y
Remove the zero:
9x = -12y

Divide each side by '9'.
x = -1.333333333y

Simplifying
x = -1.333333333y

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