exam Maths Puzzle Numerical Ability

If the product of a number and - 4 is subtracted from the number, the result is 9 more than the number.

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exam Other Question

12.51 Do stock prices of competing companies move together? Below are daily closing prices of two

computer services firms (IBM = International Business Machines Corporation, EDS
how do i simplify this equation?

a=4,b=3,c=2
5a-9+2a