Реши уравнения: 20 007-Х=20 000; Х-900=1 000; Х+200=3 200; 300+Х=5 400
20 007-Х=20 000
x=20007-20000
x=7
Х-900=1 000
x=1000+900
x=1900
Х+200=3 200
x=3200-200
x=3000
300+Х=5 400
x=5400-300
x=5100
20007-Х=20000
Х=20007-20000
Х=7
Х-900=1000
Х=1000+900
Х=1900
Х+200=3200
Х=3200-200
Х=3000
300+Х=5400
Х=5400-300
Х=5100
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Verified answer
20 007-Х=20 000
x=20007-20000
x=7
Х-900=1 000
x=1000+900
x=1900
Х+200=3 200
x=3200-200
x=3000
300+Х=5 400
x=5400-300
x=5100
Verified answer
20007-Х=20000
Х=20007-20000
Х=7
Х-900=1000
Х=1000+900
Х=1900
Х+200=3200
Х=3200-200
Х=3000
300+Х=5400
Х=5400-300
Х=5100