3(7u+20)=3+18u

Solution for 3(7u+20)=3+18u equation:

Simplifying
3(7u + 20) = 3 + 18u

Reorder the terms:
3(20 + 7u) = 3 + 18u
(20 * 3 + 7u * 3) = 3 + 18u
(60 + 21u) = 3 + 18u

Solving
60 + 21u = 3 + 18u

Solving for variable 'u'.

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

Add '-18u' to each side of the equation.
60 + 21u + -18u = 3 + 18u + -18u

Combine like terms: 21u + -18u = 3u
60 + 3u = 3 + 18u + -18u

Combine like terms: 18u + -18u = 0
60 + 3u = 3 + 0
60 + 3u = 3

Add '-60' to each side of the equation.
60 + -60 + 3u = 3 + -60

Combine like terms: 60 + -60 = 0
0 + 3u = 3 + -60
3u = 3 + -60

Combine like terms: 3 + -60 = -57
3u = -57

Divide each side by '3'.
u = -19

Simplifying
u = -19