Y-1=-7(x-2)

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Solution for Y-1=-7(x-2) equation:


Simplifying
Y + -1 = -7(x + -2)

Reorder the terms:
-1 + Y = -7(x + -2)

Reorder the terms:
-1 + Y = -7(-2 + x)
-1 + Y = (-2 * -7 + x * -7)
-1 + Y = (14 + -7x)

Solving
-1 + Y = 14 + -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 = 14 + 1 + -7x

Combine like terms: -1 + 1 = 0
0 + Y = 14 + 1 + -7x
Y = 14 + 1 + -7x

Combine like terms: 14 + 1 = 15
Y = 15 + -7x

Simplifying
Y = 15 + -7x

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