Question

Ayuda por favor a 9-3(x-2)=x-1. 2(x+4)-5x=23

Answer 1

*primero :

9-3(x-2)=x-1

9-3x+= x-1

15-3x=x-1

15+1=x+3x

16 = 4x

16/4=x

4= x

*por lo tanto:

2(x+4)-5x=23

* se remplaza "x":

2(4+4)-5(4)=23

+8-8-20 =23

* se eliminan : +8 y -8

-20= 23

= 23+20

= 43