Example

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

Question

$$9x-18=9$$

Answer

x=3

Solution


Add \(18\) to both sides.
\[9x=9+18\]
Simplify  \(9+18\)  to  \(27\).
\[9x=27\]
Divide both sides by \(9\).
\[x=\frac{27}{9}\]
Simplify  \(\frac{27}{9}\)  to  \(3\).
\[x=3\]
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