Example

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

Question

$$\left. \begin{array} { l } { 1 , 7 , 4 , 10 , 7 , 13 , 10 , } \\ { 5 , 10 , 25 , 70 , 205 , } \end{array} \right.$$

Answer

b,7,4,10,7,13,10,5*c,10,25,70,205,

Solution


Simplify  \(b\times 1\)  to  \(b\).
\[b,7,4,10,7,13,10,c\times 5,10,25,70,205,\]
Regroup terms.
\[b,7,4,10,7,13,10,5c,10,25,70,205,\]
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