2(u-3)+2u=-10

Solution for 2(u-3)+2u=-10 equation:

Simplifying
2(u + -3) + 2u = -10

Reorder the terms:
2(-3 + u) + 2u = -10
(-3 * 2 + u * 2) + 2u = -10
(-6 + 2u) + 2u = -10

Combine like terms: 2u + 2u = 4u
-6 + 4u = -10

Solving
-6 + 4u = -10

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 = -10 + 6

Combine like terms: -6 + 6 = 0
0 + 4u = -10 + 6
4u = -10 + 6

Combine like terms: -10 + 6 = -4
4u = -4

Divide each side by '4'.
u = -1

Simplifying
u = -1