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Basic Math
Arithmetic
Fractions & Decimals
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Percentages
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Integers & Absolute Values
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Functions & Graphs
Systems of Equations
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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
$$-7-(-11)=$$
Evaluate
$4$
Solution Steps
The opposite of $-11$ is $11$.
$$-7+11$$
Add $-7$ and $11$ to get $4$.
$$4$$
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Factor
$2^{2}$
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