Question

ECUACIONES :

1) 6 x - 4 x - x = 18 - x


2) 6 + 4 x + x - 5 = 13 - x

Answer 1

1) 6x-4x-x=18-x
x=18-x
2x=18
x=18
2) 6+4x+x-5=13-x
5x+1=13-x
6x=12
x=2