Question

$$7x-3=9x+5$$

Answer

x=-4

Solution


Subtract \(7x\) from both sides.
\[-3=9x+5-7x\]
Simplify  \(9x+5-7x\)  to  \(2x+5\).
\[-3=2x+5\]
Subtract \(5\) from both sides.
\[-3-5=2x\]
Simplify  \(-3-5\)  to  \(-8\).
\[-8=2x\]
Divide both sides by \(2\).
\[-\frac{8}{2}=x\]
Simplify  \(\frac{8}{2}\)  to  \(4\).
\[-4=x\]
Switch sides.
\[x=-4\]