Y-(-3)=4(x-(-1))

Solution for Y-(-3)=4(x-(-1)) equation:

Simplifying
Y + -1(-3) = 4(x + -1(-1))

Multiply -1 * -3
Y + 3 = 4(x + -1(-1))

Reorder the terms:
3 + Y = 4(x + -1(-1))

Multiply -1 * -1
3 + Y = 4(x + 1)

Reorder the terms:
3 + Y = 4(1 + x)
3 + Y = (1 * 4 + x * 4)
3 + Y = (4 + 4x)

Solving
3 + Y = 4 + 4x

Solving for variable 'Y'.

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

Add '-3' to each side of the equation.
3 + -3 + Y = 4 + -3 + 4x

Combine like terms: 3 + -3 = 0
0 + Y = 4 + -3 + 4x
Y = 4 + -3 + 4x

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

Simplifying
Y = 1 + 4x