Răspuns :

Cazacolvian2id

Răspuns:

X=8

Explicație pas cu pas:

24+16=40

40:4=10

10-2=8

Sper ca team ajutat

Andreea7alexandraid

Răspuns:

-7(x-3)=-49

x-3=49:7

×-3=7

×=7+3

×=10

-2(x-9)=28

×-9=28÷2

×-9=14

×=14+9

×=23

6(x-4)=-54

×-4=54÷6

×-4=9

×=9+4

×=13

4(x+2)-16=24

×+2=24+16

×+2=40

×+2=40÷4

×+2=10

×=10-2

×=8

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