70x=460+30
70x=490
x=490:70
х=7
200+x200+x200+x*3=600
600+3x=600
3x=600-600
3x=0
х=0
469x-160398=921
469x=921+160398
469x=160867
x=343
321−18321-18321−18*304*27609−760927609-760927609−7609:4000=460560
70x=460+30
70x=490
x=490:70
х=7
200+x200+x200+x*3=600
600+3x=600
3x=600-600
3x=0
х=0
469x-160398=921
469x=921+160398
469x=160867
x=343
321−18321-18321−18*304*27609−760927609-760927609−7609:4000=460560