Question

Решите уравнения 1.(X-3)•5=12 2.(x-3)•17+12

Answer 1

1) (х-3)×5=12;
х-3=12÷5;
х-3=2 2/5
х=2 2/5+3;
х=5 2/5.

2) (х-3)×17=12;
х-3=12/14;
х-3=6/7;
х=6/7+3;
х=3 6/7.