Answer: 
or (1,1)
Step-by-step explanation:
You can apply the Method of substitution.
Knowing that 
(second equation), you can substitute it into the first equation and solve for the variable y:
Now you need to substitute 
into the second equation to calculate the value of the variable x. Then:
Then, the solution is:
or (1,1)
Answer:
Number:3.75
Equation:7 x-9=3(x+2)
Step-by-step explanation:
Let the number be x.
According to the question,
7 x-9=3(x+2)
7 x-9= 3 x+ 6
7 x- 3 x= 9+6
4 x= 15
x=15/4
x=3.75
If you verify the answer you will get,
11.25=11.25
Thank you!
175 shoppers didn't complete the survey
245 x 2/7= 70
245-70= 175
Answer:
5.969, 6.6082, 6.68, 6.8.
Step-by-step explanation:
It is easier to do this if you arrange them in line in a column. .
5.969
6.6082
6.68
6.8.
<span>x/x+6 simplfiy to 1/6 = 0, So your answer is 0</span>
