SOLUTION: How do I solve 3y+6x=4 6y+3x=-6 by elimination?

Question 923185: How do I solve 3y+6x=4 6y+3x=-6 by elimination?
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
solve
3y + 6x = 4
6y + 3x =-6
multiply the 2nd equation by 2, subtract the 1st equation
12y + 6x = -12
3y + 6x = 4
------------------subtraction eliminates x, find y
9y + 0 = -16
y = -16/9
:
Find x using the 1st equation
3() + 6x = 4
+ 6x = 4
6x = 4 +
6x =
x = *
x =
reduces to:
x =
:
:
Kind of a pain when they don't have integer solutions, a good dose of "student torment" in this one
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