Respuesta :

hughmoney

I’m pretty sure it’s -10

Charlyne0122

Answer:-10

Step-by-step explanation:

lets add like terms

(-3.4c+1.7c)= -1.7c

now lets add that in

-1.7c-13.6=3.4

add -13.6 to both sides

-1.7c= 17

divide both sides by -1.7

c= -10