4=7-2e

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Solution for 4=7-2e equation:


Simplifying
4 = 7 + -2e

Solving
4 = 7 + -2e

Solving for variable 'e'.

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

Add '2e' to each side of the equation.
4 + 2e = 7 + -2e + 2e

Combine like terms: -2e + 2e = 0
4 + 2e = 7 + 0
4 + 2e = 7

Add '-4' to each side of the equation.
4 + -4 + 2e = 7 + -4

Combine like terms: 4 + -4 = 0
0 + 2e = 7 + -4
2e = 7 + -4

Combine like terms: 7 + -4 = 3
2e = 3

Divide each side by '2'.
e = 1.5

Simplifying
e = 1.5

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