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Algebra 13 Online
OpenStudy (anonymous):

Solve: 2/7=6/x

OpenStudy (anonymous):

Cross multiply.

OpenStudy (skullpatrol):

Any ideas?

OpenStudy (skullpatrol):

@Diane_3298 you need ideas to get answers, right?

OpenStudy (anonymous):

a/b = c/d is equivalent to ad = bc. Follow that rule to solve any proportion you come across.

OpenStudy (skullpatrol):

$$\huge \frac{2}{7}=\frac{6}{x}$$

OpenStudy (anonymous):

2*3=6 then 7*3=21 --> x=21

OpenStudy (anonymous):

|dw:1383823197467:dw|

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