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Korvikt [17]
4 years ago
5

How to solve step by step

Mathematics
1 answer:
nasty-shy [4]4 years ago
5 0
A/7 + 5/7 = 2/7

1/7a + 5/7 = 2/7

1/7a + 5/7 - 5/7 = 2/7 - 5/7
1/7a = -3/7

7*(1/7a) = 7*(-3/7)
a = -3
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