exam Maths Puzzle Numerical Ability

The greater of the two numbers is 1 more than twice the smaller. Three times the greater exceeds 5 times the smaller by 10. Find the number

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exam Other Question

3x+17-5x=12-(6x+3) two planes leave simultaneously from an airport, one flying east and the other west. they are 870 mi apart after 3/4 h. if the eastbound plane averages 120 mi/h more than the westbound plane, at what rate is each plane flying?