11+9(1+x)+2(x+y)=0

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Solution for 11+9(1+x)+2(x+y)=0 equation:


Simplifying
11 + 9(1 + x) + 2(x + y) = 0
11 + (1 * 9 + x * 9) + 2(x + y) = 0
11 + (9 + 9x) + 2(x + y) = 0
11 + 9 + 9x + (x * 2 + y * 2) = 0
11 + 9 + 9x + (2x + 2y) = 0

Combine like terms: 11 + 9 = 20
20 + 9x + 2x + 2y = 0

Combine like terms: 9x + 2x = 11x
20 + 11x + 2y = 0

Solving
20 + 11x + 2y = 0

Solving for variable 'x'.

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

Add '-20' to each side of the equation.
20 + 11x + -20 + 2y = 0 + -20

Reorder the terms:
20 + -20 + 11x + 2y = 0 + -20

Combine like terms: 20 + -20 = 0
0 + 11x + 2y = 0 + -20
11x + 2y = 0 + -20

Combine like terms: 0 + -20 = -20
11x + 2y = -20

Add '-2y' to each side of the equation.
11x + 2y + -2y = -20 + -2y

Combine like terms: 2y + -2y = 0
11x + 0 = -20 + -2y
11x = -20 + -2y

Divide each side by '11'.
x = -1.818181818 + -0.1818181818y

Simplifying
x = -1.818181818 + -0.1818181818y

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