3(7+2e)=

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


Simplifying
3(7 + 2e) = 0
(7 * 3 + 2e * 3) = 0
(21 + 6e) = 0

Solving
21 + 6e = 0

Solving for variable 'e'.

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

Add '-21' to each side of the equation.
21 + -21 + 6e = 0 + -21

Combine like terms: 21 + -21 = 0
0 + 6e = 0 + -21
6e = 0 + -21

Combine like terms: 0 + -21 = -21
6e = -21

Divide each side by '6'.
e = -3.5

Simplifying
e = -3.5

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