7.2+4e=19.2

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Solution for 7.2+4e=19.2 equation: 


Simplifying
7.2 + 4e = 19.2

Solving
7.2 + 4e = 19.2

Solving for variable 'e'.

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

Add '-7.2' to each side of the equation.
7.2 + -7.2 + 4e = 19.2 + -7.2

Combine like terms: 7.2 + -7.2 = 0.0
0.0 + 4e = 19.2 + -7.2
4e = 19.2 + -7.2

Combine like terms: 19.2 + -7.2 = 12
4e = 12

Divide each side by '4'.
e = 3

Simplifying
e = 3

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