exam Maths Puzzle Numerical Ability

What is the process to solve x - 2x = 15 ? Do I have to factor something?
thanks!

Read Solution (Total 0)

exam Other Question

In one day, a software company sold 345 programs. The standard version sold for $19.50 each, while the deluxe version sold for $30 each. The company took in $8,334.00. How many of the standard versions of the software package were sold? lnx+ln(x+2)=4