Question

3x+1=x+11

3x supra 5 -1=x-1 supra 2

-5x+7=x-10​

Answer 1

1.3x+1=x+11

3x-x=11-1

2x=10

x=5

2

2 .3x/5-1=x-1/2

4(x-1)=6x

4x-4=6x

4x-6x=4

x=-2

3.-5x+7=x+10

-5x-x=10-7

-6x=3

x=-3/6 imapartim la 3

x=-1/2