y-1=-4(x+7)

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Solution for y-1=-4(x+7) equation: 


Simplifying
y + -1 = -4(x + 7)

Reorder the terms:
-1 + y = -4(x + 7)

Reorder the terms:
-1 + y = -4(7 + x)
-1 + y = (7 * -4 + x * -4)
-1 + y = (-28 + -4x)

Solving
-1 + y = -28 + -4x

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 = -28 + 1 + -4x

Combine like terms: -1 + 1 = 0
0 + y = -28 + 1 + -4x
y = -28 + 1 + -4x

Combine like terms: -28 + 1 = -27
y = -27 + -4x

Simplifying
y = -27 + -4x

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