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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
$$(-10)-(-3)=$$
Evaluate
$-7$
Solution Steps
The opposite of $-3$ is $3$.
$$-10+3$$
Add $-10$ and $3$ to get $-7$.
$$-7$$
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Factor
$-7$
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