Question

Решите уравнения

8-3×/4=1/2

5×+1/2=-3+7×/6

Answer 1

8 - 3х/4 = 1/2   /*4
32 - 3х = 2
3х=30 
х=10

5х+1/2 =-3 + 7х /6    /*6
30х +3 = -18 +7х
30х-7х= -21
23х=-21
х = -21/23