Cross multiplication method
General formula of linear equation is \\(ax+by+c=0\\) .
Arrange the coefficients of the given linear equations as per the cross multiplication method .
In linear equation power of a variable is one.
area of triangle is length* breadth.
Take the digit at units place and tens place as x and y respectively.Then use the place value of the digits and arrange the digits assumed according to the given conditions.
The linear equation can be formed for the question and solved using elimination method.
Take the fixed cost as x and the cost per km as y . And then try to find the total cost in terms of the sum of x and y to relate it to given total cost in both of the given situations.
Out the value of x in the equation
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