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damaskus [11]
3 years ago
13

10x - 9y = -7 y = 3​ need to find x

Mathematics
2 answers:
Elena-2011 [213]3 years ago
6 0
10x-9(3)=-7
10x-27=-7
10x=20
x=2
weeeeeb [17]3 years ago
4 0
The answer is 7 because 7 times 10 is seventy and 9times 7 is 63 and 70-63 is seven so x=7
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