y-(-4)=0(x-0)

Solution for y-(-4)=0(x-0) equation:

Simplifying
y + -1(-4) = 0(x + 0)

Multiply -1 * -4
y + 4 = 0(x + 0)

Reorder the terms:
4 + y = 0(x + 0)

Reorder the terms:
4 + y = 0(0 + x)
Remove the zero:
4 + y = 0(x)

Anything times zero is zero.
4 + y = 0x

Solving
4 + y = 0

Solving for variable 'y'.

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

Add '-4' to each side of the equation.
4 + -4 + y = 0 + -4

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

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

Simplifying
y = -4