Foundation
Mathematics Foundation
Solution of Linear Equation
Linear Equations in One Variable
Question

Rakesh has x dollars more than Mohan has, and together they have a total of y dollars. Which of the following represents the number of dollars that Mohan has ?

y2x

yx2

yx2

2y – x

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Solution
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Let Mohan have m dollars. Then Rakesh has m+x dollars. Together, their total is m+(m+x)=y. Simplifying: 2m+x=y. Now, solve for m: 2m=y-x, so m=y-x2.

Final Answer: y-x2