dagatto7 dagatto7

18-06-2021
Mathematics

contestada

Solve the following system of equations with the substitution method.
{x+y=25
y=4x
(x,y)=( , )

Respuesta :

Аноним Аноним

18-06-2021

Answer:

(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

Answer: (5,20)

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