1)
22х - 10 - 17х = 55
5х=65
х = 13
2) 40х+15-12=83
40х = 80
х = 2
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Answers & Comments
1)
22х - 10 - 17х = 55
5х=65
х = 13
2) 40х+15-12=83
40х = 80
х = 2