-5.1=0.9-2y

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Solution for -5.1=0.9-2y equation:


Simplifying
-5.1 = 0.9 + -2y

Solving
-5.1 = 0.9 + -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.
-5.1 + 2y = 0.9 + -2y + 2y

Combine like terms: -2y + 2y = 0
-5.1 + 2y = 0.9 + 0
-5.1 + 2y = 0.9

Add '5.1' to each side of the equation.
-5.1 + 5.1 + 2y = 0.9 + 5.1

Combine like terms: -5.1 + 5.1 = 0.0
0.0 + 2y = 0.9 + 5.1
2y = 0.9 + 5.1

Combine like terms: 0.9 + 5.1 = 6
2y = 6

Divide each side by '2'.
y = 3

Simplifying
y = 3

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