Example

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

Question

$$2x+4=8$$

Answer

x=2

Solution


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