exam Maths Puzzle Numerical Ability

The sum of three numbers is 8. Twice the smallest is 2 less than the largest, and the sum of the largest and smalles is 5. Use linear system in three variables to find the three numbers.

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after rowing two miles upstream, a rower passes a log in the river. he rows on for one more hour before turning around and rowing back to his starting point where the log has reach I am the worst at story problems can someone help? I have to write a system of 2 equations in 2 unkown and solve each system by substitution.

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