exam Maths Puzzle Numerical Ability

6x-1 over 5 -2x over 3 =3

Solving a problem that contains fractions.

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exam Other Question

Is (SQRTofX)^2=X an identity (true for all nonnegative values of x)?
Answer:
Explain your answer in this space. When two fair dice are rolled, the sum of the two dice can be any number from 2 through 12. What is the probability that this sum will be exactly a 7? Please show me how to solve this.