Respuesta :
Answer:
y = 0
Step-by-step explanation:
y - 7 = -7
Add 7 to each side
y -7 = -7
+7 +7
y = 0
Y=0
Start with adding 7 to both sides since addition is the opposite of subtraction
Y-7=7
+7 +7
Both cancel each other out
You’re left with y=0
Start with adding 7 to both sides since addition is the opposite of subtraction
Y-7=7
+7 +7
Both cancel each other out
You’re left with y=0