Question

найдите корень уравнения х-8/7х-2 — х-8/6х-7

Answer 1

х-8/7х-2=х-8/6х-7
-8/7х-2=-8/6х-7
-8/7х+8/6х=-7+2
(-8/7+8/6)х=-5
8/42х=-5
-5:(8/42)=-210/8
х=-210/8=-105/4