exam Maths Puzzle Numerical Ability

Solve. -3(x + 2) + 4x = 5x + 18

Read Solution (Total 0)

exam Other Question

typical heights and wieghts for adult men are in the table below
height (in inches) 70 72 74 weight (in pounds) 170 180 190

explain why these data are linear? How do i make an appropriate substitution?(y-10/y)^2 -6(y-10/y)-27=0