Question

can you help proof this equation??? 5u-u=u+15

Answer 1

u must equal 5,using basic algebraic manipulation

Answer 2

subtract 5u-u to get 4u, then you subtract u from u+15 to get 3u=15. divide by 3

Answer 3

5u-u=u+15
4u=u+15
4u-u=15
3u=15
u=15/3
u=5 now put this value into eq:

Answer 4

eeyup