y-1=-7(x+3)

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Solution for y-1=-7(x+3) equation:


Simplifying
y + -1 = -7(x + 3)

Reorder the terms:
-1 + y = -7(x + 3)

Reorder the terms:
-1 + y = -7(3 + x)
-1 + y = (3 * -7 + x * -7)
-1 + y = (-21 + -7x)

Solving
-1 + y = -21 + -7x

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 = -21 + 1 + -7x

Combine like terms: -1 + 1 = 0
0 + y = -21 + 1 + -7x
y = -21 + 1 + -7x

Combine like terms: -21 + 1 = -20
y = -20 + -7x

Simplifying
y = -20 + -7x

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