<h2>(x, y) = (21/13 , 84/13)</h2>
Step-by-step explanation:
x + 3y = 21
- 4x + y = 0
y = 4x
<h2>_____________</h2>
x + 3y = 21
x + 3(4x) = 21
x + 12x = 21
13x = 21
x = 21/13
y = 4x
y = 4 (21/13)
y = 84/13
(x, y) = (21/13 , 84/13)
Answer:
c
Step-by-step explanation:
if the letter c=0 so 2x0= 0 and 5x2= 10x3=30
Answer:
9
Step-by-step explanation:
25-7=18
half of 18 is 9
Answer:
-4.85 pounds after the 3
Step-by-step explanation: