Question

stiind ca x+y=100 si x-y=10..afla valoarea literelor

Answer 1

x+y+x-y=100+10
2x=110
x=110:2=55
y=100-55=45

Answer 2

x+y+x-y=100+10

2*x=110

x=110:2=55

y=100-55=45
 
rasspuns 45 , 55
sper ca te-am ajutar