2.8=0.4y

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Solution for 2.8=0.4y equation:


Simplifying
2.8 = 0.4y

Solving
2.8 = 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.
2.8 + -0.4y = 0.4y + -0.4y

Combine like terms: 0.4y + -0.4y = 0.0
2.8 + -0.4y = 0.0

Add '-2.8' to each side of the equation.
2.8 + -2.8 + -0.4y = 0.0 + -2.8

Combine like terms: 2.8 + -2.8 = 0.0
0.0 + -0.4y = 0.0 + -2.8
-0.4y = 0.0 + -2.8

Combine like terms: 0.0 + -2.8 = -2.8
-0.4y = -2.8

Divide each side by '-0.4'.
y = 7

Simplifying
y = 7

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