Solution:
1) Solve for x in 3x+7y=-1
x=\frac{-1-7y}{3}
2) Substitute x=\frac{-1-7y}{3} into 4x-3y=11
\frac{4(-1-7y)}{3}-3y=11
3) Solve for y in \frac{4(-1-7y)}{3}-3y=11
y=-1
4) Substitute y=-1 into x=\frac{-1-7y}{3}
x=2
5) Therefore,
x=2
y=-1
Done!
Answer:
A
Step-by-step explanation:
Because if your going to divide a whole the whole number needs to be 3/1 so it A the mistake
Answer: 426.5
Step-by-step explanation:
You know that she spent 34.12 on gas and you also know that that amount of money was the 8% of her paycheck.
Therefore, keeping the above on mind, you can write the following expression, where
is the total amount of money of her paycheck:

When you solve for
, you obtain the result shown below:

Answer:
294cm²
Step-by-step explanation:
You didn’t convert from meters to centimeters.
It was 2.94m².
That equals 294cm².
Answer:
Step-by-step explanation: 4a³ + 24ab² - 25b³
(In other words B)