Ответ:
1) 5х+48:4=20:10-2*10
5х+12=2-20
5х+12= -18
5х= -18-12
5х= -30
х=-6
2) 7х+32:2=(72+18):3
7х+16=90:3
7х+16=30
7х=30-16
7х=14
х=2
3)
9х+33=52
9х= 52-33
9х=19
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Ответ:
1) 5х+48:4=20:10-2*10
5х+12=2-20
5х+12= -18
5х= -18-12
5х= -30
х=-6
2) 7х+32:2=(72+18):3
7х+16=90:3
7х+16=30
7х=30-16
7х=14
х=2
3)
9х+33=52
9х= 52-33
9х=19