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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
$$4-(-12)=$$
Evaluate
$16$
Solution Steps
The opposite of $-12$ is $12$.
$$4+12$$
Add $4$ and $12$ to get $16$.
$$16$$
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Factor
$2^{4}$
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