Y-7=-3(x+9)

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Solution for Y-7=-3(x+9) equation: 


Simplifying
Y + -7 = -3(x + 9)

Reorder the terms:
-7 + Y = -3(x + 9)

Reorder the terms:
-7 + Y = -3(9 + x)
-7 + Y = (9 * -3 + x * -3)
-7 + Y = (-27 + -3x)

Solving
-7 + Y = -27 + -3x

Solving for variable 'Y'.

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

Add '7' to each side of the equation.
-7 + 7 + Y = -27 + 7 + -3x

Combine like terms: -7 + 7 = 0
0 + Y = -27 + 7 + -3x
Y = -27 + 7 + -3x

Combine like terms: -27 + 7 = -20
Y = -20 + -3x

Simplifying
Y = -20 + -3x

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