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Basic Math
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Example
3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b
Question
$$-2-(-4)$$
Evaluate
$2$
Solution Steps
The opposite of $-4$ is $4$.
$$-2+4$$
Add $-2$ and $4$ to get $2$.
$$2$$
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Factor
$2$
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