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5 votes
10x - 9y = -7 y = 3​ need to find x

2 Answers

7 votes
The answer is 7 because 7 times 10 is seventy and 9times 7 is 63 and 70-63 is seven so x=7
User Irfan Ul Haq
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3 votes
10x-9(3)=-7
10x-27=-7
10x=20
x=2
User TheBeardyMan
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