x+y-7=31

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Solution for x+y-7=31 equation:


Simplifying
x + y + -7 = 31

Reorder the terms:
-7 + x + y = 31

Solving
-7 + x + y = 31

Solving for variable 'x'.

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

Add '7' to each side of the equation.
-7 + x + 7 + y = 31 + 7

Reorder the terms:
-7 + 7 + x + y = 31 + 7

Combine like terms: -7 + 7 = 0
0 + x + y = 31 + 7
x + y = 31 + 7

Combine like terms: 31 + 7 = 38
x + y = 38

Add '-1y' to each side of the equation.
x + y + -1y = 38 + -1y

Combine like terms: y + -1y = 0
x + 0 = 38 + -1y
x = 38 + -1y

Simplifying
x = 38 + -1y

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