Y-20=10(x-9)

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Solution for Y-20=10(x-9) equation: 


Simplifying
Y + -20 = 10(x + -9)

Reorder the terms:
-20 + Y = 10(x + -9)

Reorder the terms:
-20 + Y = 10(-9 + x)
-20 + Y = (-9 * 10 + x * 10)
-20 + Y = (-90 + 10x)

Solving
-20 + Y = -90 + 10x

Solving for variable 'Y'.

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

Add '20' to each side of the equation.
-20 + 20 + Y = -90 + 20 + 10x

Combine like terms: -20 + 20 = 0
0 + Y = -90 + 20 + 10x
Y = -90 + 20 + 10x

Combine like terms: -90 + 20 = -70
Y = -70 + 10x

Simplifying
Y = -70 + 10x

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