Решите уравнения, дам 20 бал. 73020*х=7302000 5*х+3*х=80000 х*1000=900000 2*х+3*х=500000
73020*х=7302000 х=7302000:73020 х=100 5х+3х=80000 8х=80000 х=80000:8 х=10000 х*1000=900000 х=900000:1000 х=900 2х+3х=500000 5х=500000 х=500000:5 х=100000
1) 73020*x=7302000 2) 5*x+3*x=80000 x=7302000/73020 8x=80000 x=100 x=10000 3) x*1000=900000 4) 2*x+3*x=500000 1000x=900000 5x=500000 x=900 x=100000