Example

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

Question

$$-2x=-16$$

Answer

x=8

Solution


Divide both sides by \(-2\).
\[x=\frac{-16}{-2}\]
Two negatives make a positive.
\[x=\frac{16}{2}\]
Simplify  \(\frac{16}{2}\)  to  \(8\).
\[x=8\]
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