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3x-9 =-18 3x + 6y=27 substitution problem
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4 votes
3x-9 =-18
3x + 6y=27 substitution problem

User Magic Mick
by
4.4k points

2 Answers

2 votes

Answer:

Solve for x in the first equation then use it in the second one to solve for y

x= -3

y= 6

Explanation:

3x-9= -18 --> 3x= -9 --> x= -9/3 --> x= -3

3(-3)+6y=27 --> -9+6y=27 --> 6y=36 --> y=36/6 --> y=6

User Jiju John
by
4.7k points
4 votes

Answer:

x= -3 y= 6

Explanation:

User Samy Sammour
by
5.0k points
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