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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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Example
3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b
Question
$$1-13+12$$
Evaluate
$0$
Solution Steps
Subtract $13$ from $1$ to get $-12$.
$$-12+12$$
Add $-12$ and $12$ to get $0$.
$$0$$
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