CBSE /Class 10
Maths MCQ Based On Linear equation in two variables methods to solve linear equation
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CBSE Class 10 Maths Linear equation in two variables methods to solve linear equation
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Elimination method
Consider the fares to Kanpur and Patna as x and y respectively.
General formula of linear equation is \\(ax+by+c=0\\) .
Use the value from first equation and put that in Second to get the answer
Cross multiplication method:
\\( {x \\over y}\\) = \\( {a \\over b}\\)
bx = ay
what we do in the elimination method
In both, the equations y have the same coefficient
Assume the first and second number as x and y respectively.
Take the speed of train and bus as x and y respectively and then set the equation up according to the given condition.
Elimination method.
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