Question

100-24÷c=92
3×x+50=77
3×x=92-68

Answer 1

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Answer 2

100-24÷c=92
-24:с = 92-100
-24:с = -8
с=24:8
с=3

3×x+50=77
3х=77-50
3х=27
х=27:3
х=9

3×x=92-68
3х=24
х=24:3
х=8