Question

5 si 6 ,va rog super mult...am nevoie urgent​

Answer 1

Răspuns:

5 a=2

6

a. x=2

b. x=2

Explicație pas cu pas:

5

a+b=5

a=5-b

5(5-b)+4b=22

25-5b+4b=22

-b=-3

b=3

a=2

6

a

4ax+2bx=20

x(4a+2b)=20

10x=20

x=2

b

x(6a+3b)=30

15x=30

x=2