Example

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

Question

$$\left. \begin{array} { l } { | c | c | } \\ 15 - 20 & { 21 - 30 } \\ 40 & { 47 } \\ \end{array} \right.$$

Answer

21*Ag*e*g*r*o*u*p-207062

Solution


Regroup terms.
\[21Agegroup-3015-204047\]
Collect like terms.
\[21Agegroup+(-3015-204047)\]
Simplify.
\[21Agegroup-207062\]
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