Example

3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b

Question

$$( \frac{ 1 }{ 5 } )+(- \frac{ 2 }{ 15 } )+( \frac{ 1 }{ 5 } )+(- \frac{ 4 }{ 15 } )+( \frac{ 1 }{ 3 } )$$

Answer

1/3

Solution


Remove parentheses.
\[\frac{1}{5}-\frac{2}{15}+\frac{1}{5}-\frac{4}{15}+\frac{1}{3}\]
Simplify.
\[\frac{5}{15}\]
Simplify.
\[\frac{1}{3}\]

Decimal Form: 0.333333

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