(5x+4y)-(-5x+(-4y))=

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Solution for (5x+4y)-(-5x+(-4y))= equation:


Simplifying
(5x + 4y) + -1(-5x + (-4y)) = 0

Remove parenthesis around (5x + 4y)
5x + 4y + -1(-5x + (-4y)) = 0
5x + 4y + (-5x * -1 + (-4y) * -1) = 0
5x + 4y + (5x + 4y) = 0

Reorder the terms:
5x + 5x + 4y + 4y = 0

Combine like terms: 5x + 5x = 10x
10x + 4y + 4y = 0

Combine like terms: 4y + 4y = 8y
10x + 8y = 0

Solving
10x + 8y = 0

Solving for variable 'x'.

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

Add '-8y' to each side of the equation.
10x + 8y + -8y = 0 + -8y

Combine like terms: 8y + -8y = 0
10x + 0 = 0 + -8y
10x = 0 + -8y
Remove the zero:
10x = -8y

Divide each side by '10'.
x = -0.8y

Simplifying
x = -0.8y

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