Question

$$9x/7-6x=15$$

Answer

x=-35/11

Solution


Simplify  \(9\times \frac{x}{7}\)  to  \(\frac{9x}{7}\).
\[\frac{9x}{7}-6x=15\]
Simplify  \(\frac{9x}{7}-6x\)  to  \(-\frac{33x}{7}\).
\[-\frac{33x}{7}=15\]
Multiply both sides by \(7\).
\[-33x=15\times 7\]
Simplify  \(15\times 7\)  to  \(105\).
\[-33x=105\]
Divide both sides by \(-33\).
\[x=-\frac{105}{33}\]
Simplify  \(\frac{105}{33}\)  to  \(\frac{35}{11}\).
\[x=-\frac{35}{11}\]

Decimal Form: -3.181818