Example

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

Question

$$(- \frac{ 7 }{ 11 } + \frac{ 8 }{ 22 } )$$

Answer

-3/11

Solution


Simplify  \(\frac{8}{22}\)  to  \(\frac{4}{11}\).
\[-\frac{7}{11}+\frac{4}{11}\]
Join the denominators.
\[\frac{-7+4}{11}\]
Simplify.
\[-\frac{3}{11}\]

Decimal Form: -0.272727

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