x-(y+1)=3

Solution for x-(y+1)=3 equation:

Simplifying
x + -1(y + 1) = 3

Reorder the terms:
x + -1(1 + y) = 3
x + (1 * -1 + y * -1) = 3
x + (-1 + -1y) = 3

Reorder the terms:
-1 + x + -1y = 3

Solving
-1 + x + -1y = 3

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 + -1y = 3 + 1

Reorder the terms:
-1 + 1 + x + -1y = 3 + 1

Combine like terms: -1 + 1 = 0
0 + x + -1y = 3 + 1
x + -1y = 3 + 1

Combine like terms: 3 + 1 = 4
x + -1y = 4

Add 'y' to each side of the equation.
x + -1y + y = 4 + y

Combine like terms: -1y + y = 0
x + 0 = 4 + y
x = 4 + y

Simplifying
x = 4 + y