3+-4+2Y=18

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Solution for 3+-4+2Y=18 equation: 


Simplifying
3 + -4 + 2Y = 18

Combine like terms: 3 + -4 = -1
-1 + 2Y = 18

Solving
-1 + 2Y = 18

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 + 2Y = 18 + 1

Combine like terms: -1 + 1 = 0
0 + 2Y = 18 + 1
2Y = 18 + 1

Combine like terms: 18 + 1 = 19
2Y = 19

Divide each side by '2'.
Y = 9.5

Simplifying
Y = 9.5

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