-17u+71=12u+42

Solution for -17u+71=12u+42 equation:

Simplifying
-17u + 71 = 12u + 42

Reorder the terms:
71 + -17u = 12u + 42

Reorder the terms:
71 + -17u = 42 + 12u

Solving
71 + -17u = 42 + 12u

Solving for variable 'u'.

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

Add '-12u' to each side of the equation.
71 + -17u + -12u = 42 + 12u + -12u

Combine like terms: -17u + -12u = -29u
71 + -29u = 42 + 12u + -12u

Combine like terms: 12u + -12u = 0
71 + -29u = 42 + 0
71 + -29u = 42

Add '-71' to each side of the equation.
71 + -71 + -29u = 42 + -71

Combine like terms: 71 + -71 = 0
0 + -29u = 42 + -71
-29u = 42 + -71

Combine like terms: 42 + -71 = -29
-29u = -29

Divide each side by '-29'.
u = 1

Simplifying
u = 1