4+0.4y=7.2

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Solution for 4+0.4y=7.2 equation: 


Simplifying
4 + 0.4y = 7.2

Solving
4 + 0.4y = 7.2

Solving for variable 'y'.

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

Add '-4' to each side of the equation.
4 + -4 + 0.4y = 7.2 + -4

Combine like terms: 4 + -4 = 0
0 + 0.4y = 7.2 + -4
0.4y = 7.2 + -4

Combine like terms: 7.2 + -4 = 3.2
0.4y = 3.2

Divide each side by '0.4'.
y = 8

Simplifying
y = 8

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