-8*1.2+0.4y=3

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Solution for -8*1.2+0.4y=3 equation: 


Simplifying
-8 * 1.2 + 0.4y = 3

Multiply -8 * 1.2
-9.6 + 0.4y = 3

Solving
-9.6 + 0.4y = 3

Solving for variable 'y'.

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

Add '9.6' to each side of the equation.
-9.6 + 9.6 + 0.4y = 3 + 9.6

Combine like terms: -9.6 + 9.6 = 0.0
0.0 + 0.4y = 3 + 9.6
0.4y = 3 + 9.6

Combine like terms: 3 + 9.6 = 12.6
0.4y = 12.6

Divide each side by '0.4'.
y = 31.5

Simplifying
y = 31.5

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