43х-15х-18х=70
10х=70
Х=70:10
Х=7
(73-х)-24=36
73-х-24=36
49-х=36
-х=36-49
-х=-13
Х=13
800:х+25=50
800/х+25=50
800/х=50-25
800/х=25
25х=800
Х=800:25
Х=32
(/ это дробь)
43х-15х-18х=70 800:х+25=50
28х-18х=70 800:х=50+25
10х=70 800:х=75
х=70:10 х= 800:75
х=7 х=10 1/16
73-х=36+24
73-х=60
х=73-60
х=13
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43х-15х-18х=70
10х=70
Х=70:10
Х=7
(73-х)-24=36
73-х-24=36
49-х=36
-х=36-49
-х=-13
Х=13
800:х+25=50
800/х+25=50
800/х=50-25
800/х=25
25х=800
Х=800:25
Х=32
(/ это дробь)
43х-15х-18х=70 800:х+25=50
28х-18х=70 800:х=50+25
10х=70 800:х=75
х=70:10 х= 800:75
х=7 х=10 1/16
(73-х)-24=36
73-х=36+24
73-х=60
х=73-60
х=13
10х=70 800:х=75
х=70:10 х= 800:75
х=7 х=10 1/16