Respuesta :
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
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