Answer:
reciprocal means inverse:
y=-7-ax
3x-(-7-ax)=17
3x+7+ax=17
3x+ax=10
x(3+a)=10
x=10,3+a=10 a=10-3 a=7
look up in goog le it will tell u if not i can help what grade is this??
Step-by-step explanation: