(x+3)+(2y+6)=20

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Solution for (x+3)+(2y+6)=20 equation:


Simplifying
(x + 3) + (2y + 6) = 20

Reorder the terms:
(3 + x) + (2y + 6) = 20

Remove parenthesis around (3 + x)
3 + x + (2y + 6) = 20

Reorder the terms:
3 + x + (6 + 2y) = 20

Remove parenthesis around (6 + 2y)
3 + x + 6 + 2y = 20

Reorder the terms:
3 + 6 + x + 2y = 20

Combine like terms: 3 + 6 = 9
9 + x + 2y = 20

Solving
9 + x + 2y = 20

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + x + -9 + 2y = 20 + -9

Reorder the terms:
9 + -9 + x + 2y = 20 + -9

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

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

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

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

Simplifying
x = 11 + -2y

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