0.8+4.1y-3.9y=4.2

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Solution for 0.8+4.1y-3.9y=4.2 equation:


Simplifying
0.8 + 4.1y + -3.9y = 4.2

Combine like terms: 4.1y + -3.9y = 0.2y
0.8 + 0.2y = 4.2

Solving
0.8 + 0.2y = 4.2

Solving for variable 'y'.

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

Add '-0.8' to each side of the equation.
0.8 + -0.8 + 0.2y = 4.2 + -0.8

Combine like terms: 0.8 + -0.8 = 0.0
0.0 + 0.2y = 4.2 + -0.8
0.2y = 4.2 + -0.8

Combine like terms: 4.2 + -0.8 = 3.4
0.2y = 3.4

Divide each side by '0.2'.
y = 17

Simplifying
y = 17

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