3(u-2)-7u=30

Solution for 3(u-2)-7u=30 equation:

Simplifying
3(u + -2) + -7u = 30

Reorder the terms:
3(-2 + u) + -7u = 30
(-2 * 3 + u * 3) + -7u = 30
(-6 + 3u) + -7u = 30

Combine like terms: 3u + -7u = -4u
-6 + -4u = 30

Solving
-6 + -4u = 30

Solving for variable 'u'.

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

Add '6' to each side of the equation.
-6 + 6 + -4u = 30 + 6

Combine like terms: -6 + 6 = 0
0 + -4u = 30 + 6
-4u = 30 + 6

Combine like terms: 30 + 6 = 36
-4u = 36

Divide each side by '-4'.
u = -9

Simplifying
u = -9