(7x-4y)-(2x-7y)=

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


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

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

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

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

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

Solving
5x + 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.
5x + 3y + -3y = 0 + -3y

Combine like terms: 3y + -3y = 0
5x + 0 = 0 + -3y
5x = 0 + -3y
Remove the zero:
5x = -3y

Divide each side by '5'.
x = -0.6y

Simplifying
x = -0.6y

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