Question

$$8x+\frac{1-4}{8}=7$$

Answer

x=59/64

Solution


Simplify  \(1-4\)  to  \(-3\).
\[8x+\frac{-3}{8}=7\]
Move the negative sign to the left.
\[8x-\frac{3}{8}=7\]
Add \(\frac{3}{8}\) to both sides.
\[8x=7+\frac{3}{8}\]
Simplify  \(7+\frac{3}{8}\)  to  \(\frac{59}{8}\).
\[8x=\frac{59}{8}\]
Divide both sides by \(8\).
\[x=\frac{\frac{59}{8}}{8}\]
Simplify  \(\frac{\frac{59}{8}}{8}\)  to  \(\frac{59}{8\times 8}\).
\[x=\frac{59}{8\times 8}\]
Simplify  \(8\times 8\)  to  \(64\).
\[x=\frac{59}{64}\]

Decimal Form: 0.921875