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Solve for x. 3 0 - 7 21 Answer: Submit Answer
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5 votes
Solve for x. 3 0 - 7 21 Answer: Submit Answer

User Sean Long
by
2.7k points

1 Answer

5 votes

(3)/(7)=(x)/(21)

Cross multiply:


3\cdot21=x\cdot7

Isolate x:


63=7x
(63)/(7)=x
x=9

User Chankey Pathak
by
3.4k points
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