Y-9=-4(x-3)

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Solution for Y-9=-4(x-3) equation: 


Simplifying
Y + -9 = -4(x + -3)

Reorder the terms:
-9 + Y = -4(x + -3)

Reorder the terms:
-9 + Y = -4(-3 + x)
-9 + Y = (-3 * -4 + x * -4)
-9 + Y = (12 + -4x)

Solving
-9 + Y = 12 + -4x

Solving for variable 'Y'.

Move all terms containing Y to the left, all other terms to the right.

Add '9' to each side of the equation.
-9 + 9 + Y = 12 + 9 + -4x

Combine like terms: -9 + 9 = 0
0 + Y = 12 + 9 + -4x
Y = 12 + 9 + -4x

Combine like terms: 12 + 9 = 21
Y = 21 + -4x

Simplifying
Y = 21 + -4x

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