Question

Make the x the subject n=pq+(x+3)r

Answer 1

n = pq + (x + 3) r

n = pq + rx + 3r {Get rid of the brackets}

n - pq - 3r = rx {Make the x lonely}

`(n - pq - 3r)/(r) = (rx)/(r)`

{divide by the r that is multiplied by x to get rid of the r}

`x = (rn−pq−3r)/(r)`