Ответ:
-6a + 3b + 4,5b + 1,5a = 7,5b -4,5a= 15(5b- 3a) = 15(5x6 - 3(-1))= 15(30+3)=495
-6a+3b+4.5b+1.5a
-6 * -1 + 3 * 6 + 4.5 * 6 + 1.5 * -1 = 6+18+27-1.5=49.5
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Ответ:
-6a + 3b + 4,5b + 1,5a = 7,5b -4,5a= 15(5b- 3a) = 15(5x6 - 3(-1))= 15(30+3)=495
Ответ:
-6a+3b+4.5b+1.5a
-6 * -1 + 3 * 6 + 4.5 * 6 + 1.5 * -1 = 6+18+27-1.5=49.5