Question

Aflati numerele a,b,c stiind ca a+b=c a-b=b si b+c=32??

Answer 1

a-b=b ⇒ a=2b⇒ 2b+b=c (din a+b=c) ⇒ b+2b+b=32 ⇒ 4b=32 ⇒ b=8 ⇒ 2x8+8=c deci 24=c si a=16