(x+1)+(y-2)=7

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Solution for (x+1)+(y-2)=7 equation:


Simplifying
(x + 1) + (y + -2) = 7

Reorder the terms:
(1 + x) + (y + -2) = 7

Remove parenthesis around (1 + x)
1 + x + (y + -2) = 7

Reorder the terms:
1 + x + (-2 + y) = 7

Remove parenthesis around (-2 + y)
1 + x + -2 + y = 7

Reorder the terms:
1 + -2 + x + y = 7

Combine like terms: 1 + -2 = -1
-1 + x + y = 7

Solving
-1 + x + y = 7

Solving for variable 'x'.

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

Add '1' to each side of the equation.
-1 + x + 1 + y = 7 + 1

Reorder the terms:
-1 + 1 + x + y = 7 + 1

Combine like terms: -1 + 1 = 0
0 + x + y = 7 + 1
x + y = 7 + 1

Combine like terms: 7 + 1 = 8
x + y = 8

Add '-1y' to each side of the equation.
x + y + -1y = 8 + -1y

Combine like terms: y + -1y = 0
x + 0 = 8 + -1y
x = 8 + -1y

Simplifying
x = 8 + -1y

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