(5*x+3*y)-(7*x-4*y)=

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Solution for (5*x+3*y)-(7*x-4*y)= equation:


Simplifying
(5x + 3y) + -1(7x + -4y) = 0

Remove parenthesis around (5x + 3y)
5x + 3y + -1(7x + -4y) = 0
5x + 3y + (7x * -1 + -4y * -1) = 0
5x + 3y + (-7x + 4y) = 0

Reorder the terms:
5x + -7x + 3y + 4y = 0

Combine like terms: 5x + -7x = -2x
-2x + 3y + 4y = 0

Combine like terms: 3y + 4y = 7y
-2x + 7y = 0

Solving
-2x + 7y = 0

Solving for variable 'x'.

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

Add '-7y' to each side of the equation.
-2x + 7y + -7y = 0 + -7y

Combine like terms: 7y + -7y = 0
-2x + 0 = 0 + -7y
-2x = 0 + -7y
Remove the zero:
-2x = -7y

Divide each side by '-2'.
x = 3.5y

Simplifying
x = 3.5y

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