18-10.2Y+12.4Y=-17.84-Y

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Solution for 18-10.2Y+12.4Y=-17.84-Y equation: 


Simplifying
18 + -10.2Y + 12.4Y = -17.84 + -1Y

Combine like terms: -10.2Y + 12.4Y = 2.2Y
18 + 2.2Y = -17.84 + -1Y

Solving
18 + 2.2Y = -17.84 + -1Y

Solving for variable 'Y'.

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

Add 'Y' to each side of the equation.
18 + 2.2Y + Y = -17.84 + -1Y + Y

Combine like terms: 2.2Y + Y = 3.2Y
18 + 3.2Y = -17.84 + -1Y + Y

Combine like terms: -1Y + Y = 0
18 + 3.2Y = -17.84 + 0
18 + 3.2Y = -17.84

Add '-18' to each side of the equation.
18 + -18 + 3.2Y = -17.84 + -18

Combine like terms: 18 + -18 = 0
0 + 3.2Y = -17.84 + -18
3.2Y = -17.84 + -18

Combine like terms: -17.84 + -18 = -35.84
3.2Y = -35.84

Divide each side by '3.2'.
Y = -11.2

Simplifying
Y = -11.2

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