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Basic Math
Arithmetic
Fractions & Decimals
Ratios & Proportions
Percentages
Basic Number Theory
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Integers & Absolute Values
Factors & Multiples
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Functions & Graphs
Systems of Equations
Trigonometry
Trigonometric Functions
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Unit Circle
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Example
3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b
Question
$$-2(-2+1)=$$
Evaluate
$2$
Solution Steps
Add $-2$ and $1$ to get $-1$.
$$-2\left(-1\right)$$
Multiply $-2$ and $-1$ to get $2$.
$$2$$
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Factor
$2$
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