Răspuns :
Explicație pas cu pas:
Buna !!
•[36:(30-x)+49]:5=11
•36:(30-x)+49=11×5
•36:(30-x)+49=55
•36:(30-x)=55-49
•36:(30-x)=6
•30-x=36:6
•30-x=6
•x=30-6
•x=24
•y:[(971-689):6-42]=9
•y:(282:6-42)=9
•y:(47-42)=9
•y:5=9
•y=9×5
•y=45
x+y=?
=>24+45=69 ✅
Succes !!;)
✿❀AndreeaBrainly123❀✿
Salutare!:)
[36:(30-x)+49]:5=11
[36:(30-x)+49]=11×5
[36:(30-×)+49]=55
36:(30-×)=55-49
36:(30-×)=6
(30-x)=36:6
30-x=6
x=30-6
x=24
y:[(971-689):6-42]=9
y:(282:6-42)=9
y:(47-42)=9
y:5=9
y=9×5
y=45
x+y=24+45=69(suma)
Succes!