(x+8)+(y+5)=81

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Solution for (x+8)+(y+5)=81 equation:


Simplifying
(x + 8) + (y + 5) = 81

Reorder the terms:
(8 + x) + (y + 5) = 81

Remove parenthesis around (8 + x)
8 + x + (y + 5) = 81

Reorder the terms:
8 + x + (5 + y) = 81

Remove parenthesis around (5 + y)
8 + x + 5 + y = 81

Reorder the terms:
8 + 5 + x + y = 81

Combine like terms: 8 + 5 = 13
13 + x + y = 81

Solving
13 + x + y = 81

Solving for variable 'x'.

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

Add '-13' to each side of the equation.
13 + x + -13 + y = 81 + -13

Reorder the terms:
13 + -13 + x + y = 81 + -13

Combine like terms: 13 + -13 = 0
0 + x + y = 81 + -13
x + y = 81 + -13

Combine like terms: 81 + -13 = 68
x + y = 68

Add '-1y' to each side of the equation.
x + y + -1y = 68 + -1y

Combine like terms: y + -1y = 0
x + 0 = 68 + -1y
x = 68 + -1y

Simplifying
x = 68 + -1y

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