(9x+4y)+(7x-2y)-(8x-y)=

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Solution for (9x+4y)+(7x-2y)-(8x-y)= equation:


Simplifying
(9x + 4y) + (7x + -2y) + -1(8x + -1y) = 0

Remove parenthesis around (9x + 4y)
9x + 4y + (7x + -2y) + -1(8x + -1y) = 0

Remove parenthesis around (7x + -2y)
9x + 4y + 7x + -2y + -1(8x + -1y) = 0
9x + 4y + 7x + -2y + (8x * -1 + -1y * -1) = 0
9x + 4y + 7x + -2y + (-8x + 1y) = 0

Reorder the terms:
9x + 7x + -8x + 4y + -2y + 1y = 0

Combine like terms: 9x + 7x = 16x
16x + -8x + 4y + -2y + 1y = 0

Combine like terms: 16x + -8x = 8x
8x + 4y + -2y + 1y = 0

Combine like terms: 4y + -2y = 2y
8x + 2y + 1y = 0

Combine like terms: 2y + 1y = 3y
8x + 3y = 0

Solving
8x + 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.
8x + 3y + -3y = 0 + -3y

Combine like terms: 3y + -3y = 0
8x + 0 = 0 + -3y
8x = 0 + -3y
Remove the zero:
8x = -3y

Divide each side by '8'.
x = -0.375y

Simplifying
x = -0.375y

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