Answer:
the first one is 19-11
Step-by-step explanation:
Y= -2x + 3
y = x - 5
y = y
-2x + 3 = x - 5
5 + 3 = 2x + x
8 = 3x
8/3 = x
2.67 = x
Answer:
69
Step-by-step explanation:
69e420+60532598423534543
Answer:
40 lbs was used
Step-by-step explanation:
If there is 20% left, that means 80% was used
50 *80%
Change to decimal form
50 *.80
40
40 lbs was used
The answer is 13. You substitute the x in 2x+5 with 4, because x=4 here. That would give you 2(4)+5. 2(4) is 8, 8+5 is 13. Hope this helped!