312=.4y

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Solution for 312=.4y equation:


Simplifying
312 = 0.4y

Solving
312 = 0.4y

Solving for variable 'y'.

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

Add '-0.4y' to each side of the equation.
312 + -0.4y = 0.4y + -0.4y

Combine like terms: 0.4y + -0.4y = 0.0
312 + -0.4y = 0.0

Add '-312' to each side of the equation.
312 + -312 + -0.4y = 0.0 + -312

Combine like terms: 312 + -312 = 0
0 + -0.4y = 0.0 + -312
-0.4y = 0.0 + -312

Combine like terms: 0.0 + -312 = -312
-0.4y = -312

Divide each side by '-0.4'.
y = 780

Simplifying
y = 780

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