Question

решите уравнения x*50+100=700; 100-27:x=97; 7*x-19=9; 57+x:7=69; 89-9*x=17; 480:k-6=0; k*2+47=73; 42-95:k=37; 27+4*k=99; k:5+30=46

Answer 1

1 пример  x*50+100=700

50х=700-100

50х=600

х=600/50

х=12