Respuesta :
13(3+2x)-1=10
[add 1 to both sides] 13(3+2x)=11
[divide by 13] (3+2x)=11/13
[subtract 3] 2x=11/13-3
[simplify fraction] 2x= 11/13-39/13
2x=-28/13
[divide by 2] x= -14/13
[add 1 to both sides] 13(3+2x)=11
[divide by 13] (3+2x)=11/13
[subtract 3] 2x=11/13-3
[simplify fraction] 2x= 11/13-39/13
2x=-28/13
[divide by 2] x= -14/13