0.8+0.4y=12

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Solution for 0.8+0.4y=12 equation: 


Simplifying
0.8 + 0.4y = 12

Solving
0.8 + 0.4y = 12

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 + 0.4y = 12 + -0.8

Combine like terms: 0.8 + -0.8 = 0.0
0.0 + 0.4y = 12 + -0.8
0.4y = 12 + -0.8

Combine like terms: 12 + -0.8 = 11.2
0.4y = 11.2

Divide each side by '0.4'.
y = 28

Simplifying
y = 28

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