Question

SOLVE 2x+y=5 , 3x+2y=8 using cross multiplication method

Answer 1

$\text{Given equations are}$

$2x+y-5=0$

$3x+2y-8=0$

$\textbf{By cross multiplication rule,}$

$\displaystyle\frac{x}{-8+10}=\frac{y}{-15+16}=\frac{1}{4-3}$

$\displaystyle\implies\frac{x}{2}=\frac{y}{1}=\frac{1}{1}$

$\implies\;x=2\;\text{and}\;y=1$

$\therefore\textbf{The solution is x=2 and y=1 }$

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Answer 2

Explanation:

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