y-(-2)=2(x-(-1))

Solution for y-(-2)=2(x-(-1)) equation:

Simplifying
y + -1(-2) = 2(x + -1(-1))

Multiply -1 * -2
y + 2 = 2(x + -1(-1))

Reorder the terms:
2 + y = 2(x + -1(-1))

Multiply -1 * -1
2 + y = 2(x + 1)

Reorder the terms:
2 + y = 2(1 + x)
2 + y = (1 * 2 + x * 2)
2 + y = (2 + 2x)

Add '-2' to each side of the equation.
2 + -2 + y = 2 + -2 + 2x

Combine like terms: 2 + -2 = 0
0 + y = 2 + -2 + 2x
y = 2 + -2 + 2x

Combine like terms: 2 + -2 = 0
y = 0 + 2x
y = 2x

Solving
y = 2x

Solving for variable 'y'.

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

Simplifying
y = 2x