khushboogarg3877
18.06.2021 •
Mathematics
Solve the following system of equations with the substitution method.
{x+y=25
y=4x
(x,y)=( , )
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Ответ:
(5,20)
Step-by-step explanation:
x+y=25
If you substitute y=4x,
x+4x=25
Now add like terms
5x=25
Divide 5
x=5
Put it back into the equation
5+y=25
Subtract 5
y=20
(5,20)
Ответ:
A. 47 Miles