Example

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

Question

$$82+2x=90=$$

Answer

x=4

Solution


Subtract \(82\) from both sides.
\[2x=90-82\]
Simplify  \(90-82\)  to  \(8\).
\[2x=8\]
Divide both sides by \(2\).
\[x=\frac{8}{2}\]
Simplify  \(\frac{8}{2}\)  to  \(4\).
\[x=4\]
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