3(1+2e)-e=7

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Solution for 3(1+2e)-e=7 equation:


Simplifying
3(1 + 2e) + -1e = 7
(1 * 3 + 2e * 3) + -1e = 7
(3 + 6e) + -1e = 7

Combine like terms: 6e + -1e = 5e
3 + 5e = 7

Solving
3 + 5e = 7

Solving for variable 'e'.

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

Add '-3' to each side of the equation.
3 + -3 + 5e = 7 + -3

Combine like terms: 3 + -3 = 0
0 + 5e = 7 + -3
5e = 7 + -3

Combine like terms: 7 + -3 = 4
5e = 4

Divide each side by '5'.
e = 0.8

Simplifying
e = 0.8

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