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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
$$-225-(-63)$$
Evaluate
$-162$
Solution Steps
The opposite of $-63$ is $63$.
$$-225+63$$
Add $-225$ and $63$ to get $-162$.
$$-162$$
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Factor
$-162$
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