6(u-7)-8u=-34

Solution for 6(u-7)-8u=-34 equation:

Simplifying
6(u + -7) + -8u = -34

Reorder the terms:
6(-7 + u) + -8u = -34
(-7 * 6 + u * 6) + -8u = -34
(-42 + 6u) + -8u = -34

Combine like terms: 6u + -8u = -2u
-42 + -2u = -34

Solving
-42 + -2u = -34

Solving for variable 'u'.

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

Add '42' to each side of the equation.
-42 + 42 + -2u = -34 + 42

Combine like terms: -42 + 42 = 0
0 + -2u = -34 + 42
-2u = -34 + 42

Combine like terms: -34 + 42 = 8
-2u = 8

Divide each side by '-2'.
u = -4

Simplifying
u = -4