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strojnjashka [21]
2 years ago
6

4y + x = 12, 2x = 24 - 8y Solve by Substitution

Mathematics
1 answer:
Ann [662]2 years ago
4 0

Answer: Undefined

Step-by-step explanation:

4y+x=12, 2x=24-8y

Isolate x by subtracting 4y

4y+x=12

x=12-4y

Plug the equation for x in to anywhere you see the variable x in the other equation

2(12-4y)=24-8y

Distribute 2

24-8y=24-8y

Get the variables on one side so add 8y (cancels out)

24=24

Can’t solve its undefined

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