exam Maths Puzzle Numerical Ability

twice the greater of two consecutive odd integers is 13 less than three times the lesser. find the number

define a variable
write equation
solve

can you show me how to do this problem please?

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exam Other Question

In studying the frictional effects on a flywheel, the revolutions per minute R that is makes as a function of the time T (in min)is given by R = 4520(0.750)^2.50T. Find T for R = 1950 R/min. kaylene is 30 yrs. old and jessica is 22 yrs. old. how many years ago was kaylene twice as old as jessica?