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How many solutions does this system have? 2x + y = 3 6x = 9 – 3y A) 1 B) None C) Infinite D) 2
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3 votes
How many solutions does this system have?

2x + y = 3
6x = 9 – 3y
A) 1
B) None
C) Infinite
D) 2

User Ayton
by
8.4k points

2 Answers

5 votes
1 solution because it is parallel 
User Mohsenr
by
9.4k points
5 votes
All you have to do is solve it to know
y=3-2x
6x=9-3(3-2x)
6x=9-9+6x
0x=0
so the answer is: infinite solutions
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Hope that helped!
User Bearoplane
by
8.4k points
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