book Maths Puzzle Numerical Ability

Hi can you help me solve this please?

5(x+3)=7x+5

hope you can help

Read Solution (Total 0)

book Other Question

if line a has a slope of -3/8 then what is the slope of a line perpendicular to a?
i got 8/3
is that right? thanks! can you give me all the roman numerals