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ghdhjnnxk
@ghdhjnnxk
August 2022
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- 2,5(8a+7b)+4,3(a-2b)
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1357924680135
-20а - 17,5b + 4,3a - 8,6b = - 15,7a - 26.1b
1) -20a + 4,3a = - 15,7 a
2) -17,5b - 8,6 b = - 26,1 b
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Answers & Comments
1) -20a + 4,3a = - 15,7 a
2) -17,5b - 8,6 b = - 26,1 b