2(5x-4y)-(x+7y)=

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Solution for 2(5x-4y)-(x+7y)= equation:


Simplifying
2(5x + -4y) + -1(x + 7y) = 0
(5x * 2 + -4y * 2) + -1(x + 7y) = 0
(10x + -8y) + -1(x + 7y) = 0
10x + -8y + (x * -1 + 7y * -1) = 0
10x + -8y + (-1x + -7y) = 0

Reorder the terms:
10x + -1x + -8y + -7y = 0

Combine like terms: 10x + -1x = 9x
9x + -8y + -7y = 0

Combine like terms: -8y + -7y = -15y
9x + -15y = 0

Solving
9x + -15y = 0

Solving for variable 'x'.

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

Add '15y' to each side of the equation.
9x + -15y + 15y = 0 + 15y

Combine like terms: -15y + 15y = 0
9x + 0 = 0 + 15y
9x = 0 + 15y
Remove the zero:
9x = 15y

Divide each side by '9'.
x = 1.666666667y

Simplifying
x = 1.666666667y

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