Example

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

Question

$$3-10; 1-(-11)=$$

Answer

3-10;1+11

Solution


Remove parentheses.
\[\begin{aligned}&3-10\\&1+11\end{aligned}\]
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