1. х+37*42=2031
х=2031-37*42
х=2031-1554
х=477
2. (415-327)*х=440
х=440/(415-327)
х=440/88
х=5
3. х/(74+26)=715
х=715*(74+26)
х=715*100
х=71500
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Answers & Comments
1. х+37*42=2031
х=2031-37*42
х=2031-1554
х=477
2. (415-327)*х=440
х=440/(415-327)
х=440/88
х=5
3. х/(74+26)=715
х=715*(74+26)
х=715*100
х=71500