Example

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

Question

$$\{ \begin{array} { l } { 5 x + 3 y = 12 } \\ { 2 x - 3 y = 9 } \end{array} \}$$

Answer

x=(3*(4-y))/25

Solution


Subtract \(3y\) from both sides.
\[25x=12-3y\]
Divide both sides by \(25\).
\[x=\frac{12-3y}{25}\]
Factor out the common term \(3\).
\[x=\frac{3(4-y)}{25}\]
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