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Greeley [361]
3 years ago
5

Help asap,, show work if you can,, will give brainliest:)

Mathematics
2 answers:
sergeinik [125]3 years ago
8 0

Answer:

it is 0  but put x

Step-by-step explanation:

Alex Ar [27]3 years ago
3 0

Answer:

x=5

Step-by-step explanation:

substitute y for 3x

x+3x=20

combine like terms

4x=20

divide by 4

x=5

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