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Basic Math
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Fractions & Decimals
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Percentages
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Integers & Absolute Values
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Trigonometric Functions
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Example
3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b
Question
$$(-15)-(-12)=$$
Evaluate
$-3$
Solution Steps
The opposite of $-12$ is $12$.
$$-15+12$$
Add $-15$ and $12$ to get $-3$.
$$-3$$
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Factor
$-3$
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