Y-(-3)=(x-(-3))

Solution for Y-(-3)=(x-(-3)) equation:

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

Multiply -1 * -3
Y + 3 = (x + -1(-3))

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

Multiply -1 * -3
3 + Y = (x + 3)

Reorder the terms:
3 + Y = (3 + x)

Remove parenthesis around (3 + x)
3 + Y = 3 + x

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

Combine like terms: 3 + -3 = 0
0 + Y = 3 + -3 + x
Y = 3 + -3 + x

Combine like terms: 3 + -3 = 0
Y = 0 + x
Y = x

Solving
Y = x

Solving for variable 'Y'.

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

Simplifying
Y = x