8.8+Y=21.8-Y

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Solution for 8.8+Y=21.8-Y equation:


Simplifying
8.8 + Y = 21.8 + -1Y

Solving
8.8 + Y = 21.8 + -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.
8.8 + Y + Y = 21.8 + -1Y + Y

Combine like terms: Y + Y = 2Y
8.8 + 2Y = 21.8 + -1Y + Y

Combine like terms: -1Y + Y = 0
8.8 + 2Y = 21.8 + 0
8.8 + 2Y = 21.8

Add '-8.8' to each side of the equation.
8.8 + -8.8 + 2Y = 21.8 + -8.8

Combine like terms: 8.8 + -8.8 = 0.0
0.0 + 2Y = 21.8 + -8.8
2Y = 21.8 + -8.8

Combine like terms: 21.8 + -8.8 = 13
2Y = 13

Divide each side by '2'.
Y = 6.5

Simplifying
Y = 6.5

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