Answer:
Diego has 7
Step-by-step explanation:
So if Susan has 21 and she has 3 times as much money as Diego the equation is 21 divided by 3. 21 divided by 3 is 3 groups of 7 so the answer is 7
Answer:
solution: (2, -2)
Step-by-step explanation:
y = 7x - 16,
y = 2(2x - 5)
solving...
7x - 16 = 2*(2x - 5)
7x - 16 = 4x - 10
7x - 4x = 16 - 10
3x = 6
x = 2
y = 7*2 - 16 = 14 - 16 = -2
Answer:
x-4y=28
Step-by-step explanation:
2x+6y=42
-3x-2y=-70 (both side multiple -1 )
The answer is x-4y=28 or -x+4y=-28
The answer would be 8 dogs.
The improper fraction 5/2 can be converted to the mixed number 2 1/2
