Question

Știind ca a+b+c=3262 a+b=584 b+c=3028 calculează 2xa+3xb+c

Answer 1

a+b+c=3262

a+b=584

b+c=3028

584+c=3262 /-

c=2.678

b+2.678=3028 /-

b=350

a+350=584 /-

a=234

2×a+3×b+c = 2×234 + 3×350 + 2.678 = 468+1050+2678=4.196