Example

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

Question

$$\left. \begin{array} { l } { 10.564 + 30.7 + 2516 } \\ { 3.24472.472 + 67.476 - 540.7 } \\ { 296.9692.5265 } \end{array} \right.$$

Answer

(7267000*b*t*t*t*r*a*a*c*h*s*u*m*o*f*n*n*d*d*Su*e*fromthesuma)/6

Solution


Use this rule: \(\frac{a}{b} \times \frac{c}{d}=\frac{ac}{bd}\).
\[\frac{Subtractthesumof\times 25and\times 4472fromthesumand\times 65}{6}\]
Take out the constants.
\[\frac{(25\times 4472\times 65)btttraachsumofnnddSuefromthesuma}{6}\]
Simplify  \(25\times 4472\)  to  \(111800\).
\[\frac{(111800\times 65)btttraachsumofnnddSuefromthesuma}{6}\]
Simplify  \(111800\times 65\)  to  \(7267000\).
\[\frac{7267000btttraachsumofnnddSuefromthesuma}{6}\]
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