Question

x+1 supra 5 =4 supra 2 sa se determine x

Answer 1

(X+1)2=5x4 2X+2=20-2 2x=18 X=18/2 X=9

Answer 2

$\displaystyle \frac{x+1}{5} = \frac{4}{2} \\ \\ \\ x+1= \frac{4 \cdot 5}{2} \\ \\ \\ x+1= \frac{20}{2} \\ \\ \\ x+1=10 \\ \\ \\ x=10-1 \\ \\ \\ \boxed{x=9 }$