Question

Sa se determine a , b si c stiind ca 20 x 3 +2 b =c , c=6 x 6 + 3 a , 5 a=50

Answer 1

5a=50=>a=10
c=36+3*10
c=66
66=60+2b
2b=6=>b=3
a=10
b=3
c=66

Answer 2

1)a=50:5=10
2) c=36+30=66
3)60+2b=66,
2b=66-60
2b=6
b=3
raspuns:a=10
b=3
c=66