y-1=-2(x-9)

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Solution for y-1=-2(x-9) equation:


Simplifying
y + -1 = -2(x + -9)

Reorder the terms:
-1 + y = -2(x + -9)

Reorder the terms:
-1 + y = -2(-9 + x)
-1 + y = (-9 * -2 + x * -2)
-1 + y = (18 + -2x)

Solving
-1 + y = 18 + -2x

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 = 18 + 1 + -2x

Combine like terms: -1 + 1 = 0
0 + y = 18 + 1 + -2x
y = 18 + 1 + -2x

Combine like terms: 18 + 1 = 19
y = 19 + -2x

Simplifying
y = 19 + -2x

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