Ответ:
-6
1) -3х+9-4,5х-8
2) -7,5х + 1
3) -7.5× 2/3 + 1
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Ответ:
-6
1) -3х+9-4,5х-8
2) -7,5х + 1
3) -7.5× 2/3 + 1