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If x = 4, what is y in: 3x + 4y = 20?
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14 votes
If x = 4, what is y in: 3x + 4y = 20?

User Charles Forsythe
by
5.2k points

2 Answers

6 votes

Explanation:

The answer is 2, 3*4= 12 and 4*2=8. if you add both of them you get 20.

User Mogoli
by
4.9k points
2 votes

Answer:

y=2

Explanation:

3x+4y=20

3*4+4y=20

12+4y=20

4y=20-12

4y=8

y=8/4

y=2

User GigiSan
by
4.0k points
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