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If 3x + y = 12, find a when y = -15
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If 3x + y = 12, find a when y = -15

User Karzan Kamal
by
7.5k points

2 Answers

1 vote

Answer:

x= 9

Explanation:

3x - 15 = 12

add 15 to both sides

3x = 27

divide both by 3

x= 9

User Geekyaleks
by
6.9k points
2 votes

Answer:

9 is the answer

Explanation:

3x+-15=12

you add 15 to 12 which is 27, 3x/27=9

User UsamaAmjad
by
6.9k points
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