Question

уравнения 19*х+14=71 и 13*х-33/3=28

Answer 1

1) 19x+14=71 19x=71-14 19x=57 x=57/19 x=3 2) 13x-33/3=28 13x=28+33/3 13x=28+11 13x=39 x=39/13 x=3