Example

3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b

Question

$$\frac{ x }{ 9 } -2=7$$

Answer

x=81

Solution


Add \(2\) to both sides.
\[\frac{x}{9}=7+2\]
Simplify  \(7+2\)  to  \(9\).
\[\frac{x}{9}=9\]
Multiply both sides by \(9\).
\[x=9\times 9\]
Simplify  \(9\times 9\)  to  \(81\).
\[x=81\]
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