2(x+y)=8y-9

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Solution for 2(x+y)=8y-9 equation:


Simplifying
2(x + y) = 8y + -9
(x * 2 + y * 2) = 8y + -9
(2x + 2y) = 8y + -9

Reorder the terms:
2x + 2y = -9 + 8y

Solving
2x + 2y = -9 + 8y

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.
2x + 2y + -2y = -9 + 8y + -2y

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

Combine like terms: 8y + -2y = 6y
2x = -9 + 6y

Divide each side by '2'.
x = -4.5 + 3y

Simplifying
x = -4.5 + 3y

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