Y-(-5)=.75(x-(-4))

Solution for Y-(-5)=.75(x-(-4)) equation:

Simplifying
Y + -1(-5) = 0.75(x + -1(-4))

Multiply -1 * -5
Y + 5 = 0.75(x + -1(-4))

Reorder the terms:
5 + Y = 0.75(x + -1(-4))

Multiply -1 * -4
5 + Y = 0.75(x + 4)

Reorder the terms:
5 + Y = 0.75(4 + x)
5 + Y = (4 * 0.75 + x * 0.75)
5 + Y = (3 + 0.75x)

Solving
5 + Y = 3 + 0.75x

Solving for variable 'Y'.

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

Add '-5' to each side of the equation.
5 + -5 + Y = 3 + -5 + 0.75x

Combine like terms: 5 + -5 = 0
0 + Y = 3 + -5 + 0.75x
Y = 3 + -5 + 0.75x

Combine like terms: 3 + -5 = -2
Y = -2 + 0.75x

Simplifying
Y = -2 + 0.75x