-9=18+Y

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Solution for -9=18+Y equation:


Simplifying
-9 = 18 + Y

Solving
-9 = 18 + Y

Solving for variable 'Y'.

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

Add '-1Y' to each side of the equation.
-9 + -1Y = 18 + Y + -1Y

Combine like terms: Y + -1Y = 0
-9 + -1Y = 18 + 0
-9 + -1Y = 18

Add '9' to each side of the equation.
-9 + 9 + -1Y = 18 + 9

Combine like terms: -9 + 9 = 0
0 + -1Y = 18 + 9
-1Y = 18 + 9

Combine like terms: 18 + 9 = 27
-1Y = 27

Divide each side by '-1'.
Y = -27

Simplifying
Y = -27

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