-3.9=0.1-4y

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Solution for -3.9=0.1-4y equation:


Simplifying
-3.9 = 0.1 + -4y

Solving
-3.9 = 0.1 + -4y

Solving for variable 'y'.

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

Add '4y' to each side of the equation.
-3.9 + 4y = 0.1 + -4y + 4y

Combine like terms: -4y + 4y = 0
-3.9 + 4y = 0.1 + 0
-3.9 + 4y = 0.1

Add '3.9' to each side of the equation.
-3.9 + 3.9 + 4y = 0.1 + 3.9

Combine like terms: -3.9 + 3.9 = 0.0
0.0 + 4y = 0.1 + 3.9
4y = 0.1 + 3.9

Combine like terms: 0.1 + 3.9 = 4
4y = 4

Divide each side by '4'.
y = 1

Simplifying
y = 1

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