Step-by-step explanation:
3=-x+5
x=2
................
N-7=9 (Is that what you were looking for) hope I helped :)
So there's 8 pieces of pizza in each box for 7 boxes 7*8=56 so 56 people get a slice of pizza.
Answer:
should be 4
Step-by-step explanation:
Answer:
a = 5
Step-by-step explanation:
3(a - 4) + 1 = 9 - a Distribute the 3 into a-4
3a - 12 + 1 = 9 - a Combine like terms
[-12 and 1]
3a - 11 = 9 - a Add 11 to both sides to isolate 3a
+11 +11
3a = 20 - a Add a to remove it and have all a
+a +a
4a = 20 Divide by 4 to only have a
/4 /4
a = 5