Answer:
x = -1, y = 7
Step-by-step explanation:
8x + 3y = 13
3x + 2y = 11
Multiply the first equation by -2 and the second equation by 3. Then add them.
-16x - 6y = -26
(+) 9x + 6y = 33
--------------------------
-7x = 7
x = -1
Now substitute x = -1 in the first original equation and solve for y.
8x + 3y = 13
8(-1) + 3y = 13
-8 + 3y = 13
3y = 21
y = 7
Answer: x = -1, y = 7
Answer:
3
Step-by-step explanation:
(3/4)x-(5/4)=(1/3)x
(3/4)x-(1/3)x=(5/4)
x((3/4)-(1/3))=(5/4)
(5/12)x=(5/4)
x=(5/4)/(5/12)
x=3
Answer:
4 cups
Step-by-step explanation:
wt. cups
3/4 lb. 3
1 lb. ?
4/3*3 = 4 cups
Answer:
-5
----
6
Step-by-step explanation:
y2-y1
-------
x2-x1
-1-4 -5
------ = ---
4--2 6
~Anna
10
Step-by-step explanation:
6=2(-2)x5+4(-2)×2
6=-4×5-8×2
6=-20-8×2
6=-20-16
6=-36
