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

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

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

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

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

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

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

Add '-3' to each side of the equation.
3 + -3 + y = 3 + -3 + 1x

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

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

Solving
y = 1x

Solving for variable 'y'.

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

Simplifying
y = 1x