(x+3)+y=31

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Solution for (x+3)+y=31 equation:


Simplifying
(x + 3) + y = 31

Reorder the terms:
(3 + x) + y = 31

Remove parenthesis around (3 + x)
3 + x + y = 31

Solving
3 + x + y = 31

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + x + -3 + y = 31 + -3

Reorder the terms:
3 + -3 + x + y = 31 + -3

Combine like terms: 3 + -3 = 0
0 + x + y = 31 + -3
x + y = 31 + -3

Combine like terms: 31 + -3 = 28
x + y = 28

Add '-1y' to each side of the equation.
x + y + -1y = 28 + -1y

Combine like terms: y + -1y = 0
x + 0 = 28 + -1y
x = 28 + -1y

Simplifying
x = 28 + -1y

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