Respuesta :
Answer:
y=9
Step-by-step explanation:
replace all x with -20:
3y-20=7
Move the -20 to the other side by adding 20 on both sides:
3y-20+20=7+20
Simplify:
y=9
Hope this helps!
Answer:
y=9
Step-by-step explanation:
replace all x with -20:
3y-20=7
Move the -20 to the other side by adding 20 on both sides:
3y-20+20=7+20
Simplify:
y=9
Hope this helps!
