Y-1=-3(x+7)

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


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

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

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

Solving
-1 + Y = -21 + -3x

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 + -3x

Combine like terms: -1 + 1 = 0
0 + Y = -21 + 1 + -3x
Y = -21 + 1 + -3x

Combine like terms: -21 + 1 = -20
Y = -20 + -3x

Simplifying
Y = -20 + -3x

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