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Basic Math
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Example
3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b
Question
$$[+5]+[-2]+[-7]$$
Evaluate
$-4$
Solution Steps
Subtract $2$ from $5$ to get $3$.
$$3-7$$
Subtract $7$ from $3$ to get $-4$.
$$-4$$
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Factor
$-4$
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