2*2-5Y=18

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Solution for 2*2-5Y=18 equation: 


Simplifying
2 * 2 + -5Y = 18

Multiply 2 * 2
4 + -5Y = 18

Solving
4 + -5Y = 18

Solving for variable 'Y'.

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

Add '-4' to each side of the equation.
4 + -4 + -5Y = 18 + -4

Combine like terms: 4 + -4 = 0
0 + -5Y = 18 + -4
-5Y = 18 + -4

Combine like terms: 18 + -4 = 14
-5Y = 14

Divide each side by '-5'.
Y = -2.8

Simplifying
Y = -2.8

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