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

How do you know (2,1) is a solution to 4x +y=9-example-1
User JasCav
by
6.5k points

2 Answers

3 votes

Answer:

9=9

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

User Moons
by
6.4k points
3 votes

4x+y=9

4(2)+(1)=9

8+1=9

9=9

It is a solution

User Byron Coetsee
by
6.6k points
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