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5Ymnik5
@5Ymnik5
July 2022
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Решить 2 уравнения
1)3(a-2)-(a+4)
2)2(a-4)-(1-2a)
И всё это при a=1,5
Даю 15 баллов!
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IrkaShevko
Verified answer
1) 3(a-2) - (a+4) = 3a - 6 - a - 4 = 2a - 10 = 2*1,5 - 10 = 3 - 10 = -7
Ответ: -7
2) 2(a-4) - (1 - 2a) = 2a - 8 - 1 + 2a = 4a - 9 = 4*1,5 - 9 = 6 - 9 = -3
Ответ: -3
1 votes
Thanks 1
5Ymnik5
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Answers & Comments
Verified answer
1) 3(a-2) - (a+4) = 3a - 6 - a - 4 = 2a - 10 = 2*1,5 - 10 = 3 - 10 = -7Ответ: -7
2) 2(a-4) - (1 - 2a) = 2a - 8 - 1 + 2a = 4a - 9 = 4*1,5 - 9 = 6 - 9 = -3
Ответ: -3