Question

Daca (2x+1)+(x-2)=8
X=?

Answer 1

Rezolvarea in atașament

Answer 2

(2x+1)+(x-2)=8

2x+1+x-2=8

2x+x+1-2=8

3x-1=8

(3x-1)+1=8+1

3x-1+1=9

3x=9

$\frac{3x}{3} = \frac{9}{3} \\ \\ x = \frac{ {3}^{2} }{3} \\ \\ x = {3}^{2 - 1} \\ \\ x = 3$