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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
$$1-(-3)$$
Evaluate
$4$
Solution Steps
The opposite of $-3$ is $3$.
$$1+3$$
Add $1$ and $3$ to get $4$.
$$4$$
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Factor
$2^{2}$
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