Question

$$\frac{ x \times 22 \times 3.5 \times 3.5 \times 3.5 \times 4 }{ 7 } =14 \times 14 \times 21$$

Answer

x=84/11

Solution


Simplify  \(x\times 22\times 3.5\times 3.5\times 3.5\times 4\)  to  \(3773x\).
\[\frac{3773x}{7}=14\times 14\times 21\]
Simplify  \(\frac{3773x}{7}\)  to  \(539x\).
\[539x=14\times 14\times 21\]
Simplify  \(14\times 14\)  to  \(196\).
\[539x=196\times 21\]
Simplify  \(196\times 21\)  to  \(4116\).
\[539x=4116\]
Divide both sides by \(539\).
\[x=\frac{4116}{539}\]
Simplify  \(\frac{4116}{539}\)  to  \(\frac{84}{11}\).
\[x=\frac{84}{11}\]

Decimal Form: 7.636364