7x-y+8x+5y=

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Solution for 7x-y+8x+5y= equation:


Simplifying
7x + -1y + 8x + 5y = 0

Reorder the terms:
7x + 8x + -1y + 5y = 0

Combine like terms: 7x + 8x = 15x
15x + -1y + 5y = 0

Combine like terms: -1y + 5y = 4y
15x + 4y = 0

Solving
15x + 4y = 0

Solving for variable 'x'.

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

Add '-4y' to each side of the equation.
15x + 4y + -4y = 0 + -4y

Combine like terms: 4y + -4y = 0
15x + 0 = 0 + -4y
15x = 0 + -4y
Remove the zero:
15x = -4y

Divide each side by '15'.
x = -0.2666666667y

Simplifying
x = -0.2666666667y

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