1)х +7/12=3/4 2)х-1/6=1/9

Question

1)х +7/12=3/4 2)х-1/6=1/9

Comments

заранее спасибо

Answer 1

1) х=3/4 - 7/12
х=9/12-7/12
х=2/12=1/6
2)х=1/9-1/6
х=6/54-9/54=-3/54=-1/18

Answer 2

Х + 7/12 = 3/4, Х = 3/4 - 7/12, Х = 9/12 - 7/12, Х = 2/12, Х = 1/6. Х - 1/6 = 1/9, Х = 1/9 + 1/6, Х = 2/18 + 3/18, Х = 5/18.