bdmejehd bdmejehd

09-12-2020
Mathematics

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How do you know (2,1) is a solution to 4x +y=9

How do you know 21 is a solution to 4x y9 class=

Respuesta :

jonathonvo213 jonathonvo213

09-12-2020

4x+y=9

4(2)+(1)=9

8+1=9

9=9

It is a solution

Answer Link

KPOPMultifan2018 KPOPMultifan2018

09-12-2020

Answer:

9=9

Step-by-step explanation:

Solution:

x = 2

y = 1

4x+y=9

4(2) + (1)=9 (here 4 and 2 are multiplying with each other, so 4x2= 8)

8+1=9

9=9

Answer Link

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