y-4=-4(x-1)

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Solution for y-4=-4(x-1) equation:


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

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

Reorder the terms:
-4 + y = -4(-1 + x)
-4 + y = (-1 * -4 + x * -4)
-4 + y = (4 + -4x)

Solving
-4 + y = 4 + -4x

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 = 4 + 4 + -4x

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

Combine like terms: 4 + 4 = 8
y = 8 + -4x

Simplifying
y = 8 + -4x

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