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Mathematics 18 Online
OpenStudy (anonymous):

Solve the proportion. Round to four significant digits if necessary. 5/7=x-6/x+5

OpenStudy (rizags):

could you type it using the equation editor because im not sure which terms are in the numerator

OpenStudy (rizags):

is it like this? \[\frac{ 5 }{ 7 }=\frac{ x-6 }{x+5 }\]

OpenStudy (anonymous):

yes

OpenStudy (rizags):

cross multiply them. do you know how to do that?

OpenStudy (calculusxy):

Cross multiplying is just basically: |dw:1425348580469:dw| From there you will get two equivalent equations: \[7(x-6)=5(x+5)\]

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