Example

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

Question

$$\frac{ 0.3(7)-0.2(3) }{ 0.26 }$$

Answer

5.7692307692308

Solution


Simplify  \(0.3\times 7\)  to  \(2.1\).
\[\frac{2.1-0.2\times 3}{0.26}\]
Simplify  \(0.2\times 3\)  to  \(0.6\).
\[\frac{2.1-0.6}{0.26}\]
Simplify  \(2.1-0.6\)  to  \(1.5\).
\[\frac{1.5}{0.26}\]
Simplify.
\[5.769231\]
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