Question

12u + -8u = -20 solve for u

Answer 1

u= -5

12u -8u=-20

4u=-20

u=-20/4

u=-5

hopes this helps,

Xeno

Answer 2

Simplify.

12u - 8u = 4u

4u = -20

isolate the u, divide 4 from both sides

4u/4 = -20/4

u = -20/4

u = -5

u = -5 is your answer

hope this helps