exam Maths Puzzle Numerical Ability

-2(x-7)=4x+10

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exam Other Question

One number is 11 less than another. If 10 times the smaller number minus 3 times the larger number is 30, find the two numbers.No book. Sorry. Thankyou!!! Solve the open sentence and name and graph the solution set. Please and thank you, to I can have a clear understanding of what I am doing.

|z-2|≤5