Example

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

Question

$$\frac { - 57 + 27 - 30 + 6 } { 2 + 30 + }$$

Answer

-397

Solution


Simplify  \(-57+27\)  to  \(-30\).
\[-30-307-60\]
Simplify  \(-30-307\)  to  \(-337\).
\[-337-60\]
Simplify.
\[-397\]
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