Решите уравнение а)11х-8/45=4/5 и б) 12/29х+3=3/8

Question

Решите уравнение а)11х-8/45=4/5 и б) 12/29х+3=3/8

Answer 1

11х-8/45=4/5
11х=8/45+4/5=8/45+36/45
11х=44/45
х=44/45:11
х=4/45
11*4/45-8/45=44/45-8/45=36/45=4/5

12/29х+3=3/8
12/29х=3/8-3
12/29х=-21/8
х=-21/8:12/29
х=-203/32=-6 11/32
12/29*(-203/32)=-609/232=-2 145/232+3=87/232=3/8