Question

Make x the subject of the formula where x is positive
b= x -6 / x + 2

Answer 1

`b = (x - 6)/(x + 2) \\ b(x + 2) = x - 6 \\ bx + 2b = x - 6 \\ bx - x = - 6 - 2b \\ x(b - 1) = - 2(3 + b) \\ x = ( - 2(3 + b))/(b - 1)`