HilalV303935 HilalV303935

25-10-2022
Mathematics

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what is the value of x in the proportion below [tex] \frac{5}{7} = \frac{x}{21} [/tex]

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YarethzyL760875 YarethzyL760875

25-10-2022

Solve for x

[tex]\begin{gathered} \frac{5}{7}=\frac{x}{21} \\ 5\cdot21=7\cdot x \\ 105=7x \end{gathered}[/tex]

Divide both sides by 7

[tex]\begin{gathered} \frac{105}{7}=\frac{7x}{7} \\ x=15 \end{gathered}[/tex]

Answer: x = 15

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