ElyannaA381177 ElyannaA381177
  • 03-11-2022
  • Mathematics
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Solve for x. 3 0 - 7 21 Answer: Submit Answer

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BaylerI72874 BaylerI72874
  • 03-11-2022
[tex]\frac{3}{7}=\frac{x}{21}[/tex]

Cross multiply:

[tex]3\cdot21=x\cdot7[/tex]

Isolate x:

[tex]63=7x[/tex][tex]\frac{63}{7}=x[/tex][tex]x=9[/tex]

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