(11-7(x-3y))+9(5x+y)=0

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Solution for (11-7(x-3y))+9(5x+y)=0 equation:


Simplifying
(11 + -7(x + -3y)) + 9(5x + y) = 0
(11 + (x * -7 + -3y * -7)) + 9(5x + y) = 0
(11 + (-7x + 21y)) + 9(5x + y) = 0

Remove parenthesis around (11 + -7x + 21y)
11 + -7x + 21y + 9(5x + y) = 0
11 + -7x + 21y + (5x * 9 + y * 9) = 0
11 + -7x + 21y + (45x + 9y) = 0

Reorder the terms:
11 + -7x + 45x + 21y + 9y = 0

Combine like terms: -7x + 45x = 38x
11 + 38x + 21y + 9y = 0

Combine like terms: 21y + 9y = 30y
11 + 38x + 30y = 0

Solving
11 + 38x + 30y = 0

Solving for variable 'x'.

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

Add '-11' to each side of the equation.
11 + 38x + -11 + 30y = 0 + -11

Reorder the terms:
11 + -11 + 38x + 30y = 0 + -11

Combine like terms: 11 + -11 = 0
0 + 38x + 30y = 0 + -11
38x + 30y = 0 + -11

Combine like terms: 0 + -11 = -11
38x + 30y = -11

Add '-30y' to each side of the equation.
38x + 30y + -30y = -11 + -30y

Combine like terms: 30y + -30y = 0
38x + 0 = -11 + -30y
38x = -11 + -30y

Divide each side by '38'.
x = -0.2894736842 + -0.7894736842y

Simplifying
x = -0.2894736842 + -0.7894736842y

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