Example

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

Question

$$\left. \begin{array} { l } { 22.1 \quad 56 \times 110 N A } \\ { 101 + 21 = 11 } \\ { ( 00.21 ) = 11 } \end{array} \right.$$

Answer

112*SECTIONAmatrix+224

Solution


Simplify  \(1\times SECTIONAmatrix\times 112\)  to  \(112SECTIONAmatrix\).
\[112SECTIONAmatrix+212-12-12+12+12+12\]
Collect like terms.
\[112SECTIONAmatrix+(212-12-12+12+12+12)\]
Simplify.
\[112SECTIONAmatrix+224\]
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