12x-6y=21
3x+6y=9
now add them up and the y's are eliminated.
Should be easy going from there.
4x-2y=7
3x+6y=9
Please help me solve this system by multiplying
3 answers
Thank you! So far, i have
12x-6y=21
3x+6y=9
--------
15x 30
---=--
15 15
Y = 2
Is this correct?
12x-6y=21
3x+6y=9
--------
15x 30
---=--
15 15
Y = 2
Is this correct?
correct so far
You have only found the value of y, you still have to find x
sub y = 2 into either of the original equations to find x
You have only found the value of y, you still have to find x
sub y = 2 into either of the original equations to find x
1 answer