Question

me confirman si estan bien? ​

Answer 1

Explicación paso a paso:

3x-(x+1)=2×4 3(9/2)-(9/2+1)=2×4

3x-x-1=8 27/2-11/2=8

2x=9 8=8

x=9/2

6(x-1)=2-(2+1) 6(5/6-1)=2-3

6x-6=2-3 6(-1/6)=-1

6x-6=-1 -6/6=-1

6x=5 -1=-1

x=5/6