Question

A) Stiind ca x+y+z+11=43 determinati valoarea lui x+y+z
B) Daca 3•x+4•y+5•z+27=59 determinati 5•z+3•x+4•y
C) stiind ca x-2•y+13=52 determinati 3•x-6•y+1

Answer 1

A) 43-11=33 B)59-27=32 C)52-13=93 93x2+1= 187