5×X=7+28,63-X=100÷5,A÷48=0÷37×11,A×43=102-51×2
5х=35
Х=35:5=7
63-X=100÷5,
63-х=20
Х=63-20
Х=43
A÷48=0÷37×11,
А:48=0
А=0*48=0
A×43=102-51×2
А*43=102-102
А*43=0
А=0:43=0