Question

reprezinta grafic x+y=920 x-y=540 afla numerele x si y ajutorr

Answer 1

x+y=920
x-y=540 =>x=540+y
________________
x=?
y=?

540+y+y=920
2y=920-540
2y=380
y=380:2
y=190
x=920-190
x=730

x= /---------/
 
                   =>540

y=/----/