3.5=9.9-2y

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Solution for 3.5=9.9-2y equation:


Simplifying
3.5 = 9.9 + -2y

Solving
3.5 = 9.9 + -2y

Solving for variable 'y'.

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

Add '2y' to each side of the equation.
3.5 + 2y = 9.9 + -2y + 2y

Combine like terms: -2y + 2y = 0
3.5 + 2y = 9.9 + 0
3.5 + 2y = 9.9

Add '-3.5' to each side of the equation.
3.5 + -3.5 + 2y = 9.9 + -3.5

Combine like terms: 3.5 + -3.5 = 0.0
0.0 + 2y = 9.9 + -3.5
2y = 9.9 + -3.5

Combine like terms: 9.9 + -3.5 = 6.4
2y = 6.4

Divide each side by '2'.
y = 3.2

Simplifying
y = 3.2

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