Question

a) 8(x - 4) + 3(2-x) = -21;​

Answer 1

Ответ:

8(х-4)+3(2-х)=-21

8х-32+3(2-х)=-21

8х-33+6-3х=-21

5х-32+6=-21

5х-26=-21

5х=-21-26

5х=5

х=1