(8x-y)-(4x-7y)=

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


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

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

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

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

Combine like terms: -1y + 7y = 6y
4x + 6y = 0

Solving
4x + 6y = 0

Solving for variable 'x'.

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

Add '-6y' to each side of the equation.
4x + 6y + -6y = 0 + -6y

Combine like terms: 6y + -6y = 0
4x + 0 = 0 + -6y
4x = 0 + -6y
Remove the zero:
4x = -6y

Divide each side by '4'.
x = -1.5y

Simplifying
x = -1.5y

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