7.99+20y=3.99

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Solution for 7.99+20y=3.99 equation: 


Simplifying
7.99 + 20y = 3.99

Solving
7.99 + 20y = 3.99

Solving for variable 'y'.

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

Add '-7.99' to each side of the equation.
7.99 + -7.99 + 20y = 3.99 + -7.99

Combine like terms: 7.99 + -7.99 = 0.00
0.00 + 20y = 3.99 + -7.99
20y = 3.99 + -7.99

Combine like terms: 3.99 + -7.99 = -4
20y = -4

Divide each side by '20'.
y = -0.2

Simplifying
y = -0.2

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