Answer:
2b -a
a-2c
Step-by-step explanation:
a = b+c
We want to find b-c
Solve the first equation for b
b = a-c
and for c
c = a-b
b-c in terms of b and a
using c = a-b
b - (a-b)
Distribute the minus sign
b - a +b
Combine like terms
2b -a
b-c in terms of c and a
using b = a-c
(a-c) -c
a-c -c
Combine like terms
a-2c
2040 is number two zero four zero
I know for sure it’s not B or D so I believe it is A.
Answer:
x = 1
Step-by-step explanation:
3(x + 6) -5 = 16
You want to first add the 5 (*flipping the sign) over to the 16
making your equation ...
3(x +6) = 21
Then you want to distribute the 3 to x and 6
making you equation
3x + 18 = 21
Then you want to subtract the 18 (*flipping the sign) to the right side
making the equation....
3x = 3
Lastly, divide the 3 on the left to the 3 on the right making the answer 1
x = 1
Answer:
The team won 10 games.
Step-by-step explanation:
The statement indicates that the football team played a total of 16 games, which means that the total number of games they won, lost or tied is equal to 16 and you can express this as:
x+y+z=16, where:
x is the number of games the team won
y is the number of games the team lost
z is the number of games the team tied
As you know that they tied one game, it means that z=1:
x+y+1=16
x+y=16-1
x+y=15
Also, the statement says that they won twice as many games as they lost which means that the number of games they won is equal to two times the number of games they lost, which is:
x=2y
Now, you can replace x=2y in x+y=15 and solve for y:
2y+y=15
3y=15
y=15/3
y=5
Finally, you can replace the value of y in x=2y in order to find the value of x:
x=2(5)
x=10
According to this, the answer is that the team won 10 games.
