3(e+7)=2e

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

Simplifying
3(e + 7) = 2e

Reorder the terms:
3(7 + e) = 2e
(7 * 3 + e * 3) = 2e
(21 + 3e) = 2e

Solving
21 + 3e = 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.
21 + 3e + -2e = 2e + -2e

Combine like terms: 3e + -2e = 1e
21 + 1e = 2e + -2e

Combine like terms: 2e + -2e = 0
21 + 1e = 0

Add '-21' to each side of the equation.
21 + -21 + 1e = 0 + -21

Combine like terms: 21 + -21 = 0
0 + 1e = 0 + -21
1e = 0 + -21

Combine like terms: 0 + -21 = -21
1e = -21

Divide each side by '1'.
e = -21

Simplifying
e = -21