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Basic Math
Arithmetic
Fractions & Decimals
Ratios & Proportions
Percentages
Basic Number Theory
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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
$$(+9)-(-8)$$
Evaluate
$17$
Solution Steps
The opposite of $-8$ is $8$.
$$9+8$$
Add $9$ and $8$ to get $17$.
$$17$$
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Factor
$17$
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