3.2y-7.9=8.42

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Solution for 3.2y-7.9=8.42 equation: 


Simplifying
3.2y + -7.9 = 8.42

Reorder the terms:
-7.9 + 3.2y = 8.42

Solving
-7.9 + 3.2y = 8.42

Solving for variable 'y'.

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

Add '7.9' to each side of the equation.
-7.9 + 7.9 + 3.2y = 8.42 + 7.9

Combine like terms: -7.9 + 7.9 = 0.0
0.0 + 3.2y = 8.42 + 7.9
3.2y = 8.42 + 7.9

Combine like terms: 8.42 + 7.9 = 16.32
3.2y = 16.32

Divide each side by '3.2'.
y = 5.1

Simplifying
y = 5.1

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