Question

решите уравнение:х-2/5=2 3/7-8/35

Answer 1

x-2/5=2 3/7-8/35
x-2/5=17/7- 8/35
x-2/5=85-8/35
x-2/5=77/35
x=77/35+2/5
x=77+14/35
x=91/35
x=2 3/5