Y-(-1)=-2(x-(-4))

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Solution for Y-(-1)=-2(x-(-4)) equation: 


Simplifying
Y + -1(-1) = -2(x + -1(-4))

Multiply -1 * -1
Y + 1 = -2(x + -1(-4))

Reorder the terms:
1 + Y = -2(x + -1(-4))

Multiply -1 * -4
1 + Y = -2(x + 4)

Reorder the terms:
1 + Y = -2(4 + x)
1 + Y = (4 * -2 + x * -2)
1 + Y = (-8 + -2x)

Solving
1 + Y = -8 + -2x

Solving for variable 'Y'.

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

Add '-1' to each side of the equation.
1 + -1 + Y = -8 + -1 + -2x

Combine like terms: 1 + -1 = 0
0 + Y = -8 + -1 + -2x
Y = -8 + -1 + -2x

Combine like terms: -8 + -1 = -9
Y = -9 + -2x

Simplifying
Y = -9 + -2x

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