2.5(2)-0.2y=8.1

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Solution for 2.5(2)-0.2y=8.1 equation: 


Simplifying
2.5(2) + -0.2y = 8.1

Multiply 2.5 * 2
5 + -0.2y = 8.1

Solving
5 + -0.2y = 8.1

Solving for variable 'y'.

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

Add '-5' to each side of the equation.
5 + -5 + -0.2y = 8.1 + -5

Combine like terms: 5 + -5 = 0
0 + -0.2y = 8.1 + -5
-0.2y = 8.1 + -5

Combine like terms: 8.1 + -5 = 3.1
-0.2y = 3.1

Divide each side by '-0.2'.
y = -15.5

Simplifying
y = -15.5

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