book Maths Puzzle Numerical Ability

how do i do -2/5(10x-25)=8x+4??

Read Solution (Total 0)

book Other Question

find an equation of the line containing the points (-3,2)and having slope 3 How do you find eigenvectors? Can find eigenvalues but coming up with the vectors after the system has been solved, is eluding me. Need step by step instruction.