Example

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

Question

$$\left. \begin{array} { l l } { \int g ( - 3 ) + ( - 2 ) } & { ( 2 ) - 3 - ( - 0 ) } \\ { b ( - 5 + 3 } & { 2 - 5 ) } & { ( - 5 ) + ( - 3 ) } \\ { ( - 5 - 7 ) } & { ( - 5 ) } & { ( - 7 ) + ( - 5 ) } \\ { 2 - 6 - 7 ) } & { ( - 7 ) + ( \right.$$

Answer

-3-2;k-5+3;-6-9;-3-15-9-10;-5+231+1.8

Solution


Simplify  \((-5)\times 3\)  to  \(-15\).
\[\begin{aligned}&-3-2\\&k-5+3\\&-6-9\\&-3-15-9-10\\&-5-3\times 7\times -11+1.8\end{aligned}\]
Simplify  \(3\times 7\)  to  \(21\).
\[\begin{aligned}&-3-2\\&k-5+3\\&-6-9\\&-3-15-9-10\\&-5-21\times -11+1.8\end{aligned}\]
Simplify  \(21\times -11\)  to  \(-231\).
\[\begin{aligned}&-3-2\\&k-5+3\\&-6-9\\&-3-15-9-10\\&-5-(-231)+1.8\end{aligned}\]
Remove parentheses.
\[\begin{aligned}&-3-2\\&k-5+3\\&-6-9\\&-3-15-9-10\\&-5+231+1.8\end{aligned}\]
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