Question

3(7-×)-3(×-2)=4(×-3)

Answer 1

Resposta:

x=39/10

Explicação passo-a-passo:

3.(7-x)-3.(x-2)=4.(x-3)

-3x+21-3x+6=4x-12

-3x-3x-4x=-21-6-12

-6x-4x=-27-12

-10x=-39

x=-39/-10

x= 39/10