If you were to solve the system using the addition method, what would you multiply the first equation by in order to make the x'
s add out of this system? -2x + 3y = 6 4x - 2y = 8
1 answer:
2 times 2=4
multiply first equation by 2 to get
-4x+6y=12
then add to get
-4x+6y=12
<u>4x-2y=8 +</u>
0x+4y=20
4y=20
y=5
sub back
-2x+3y=6
-2x+3(5)=6
-2x+15=6
-2x=-9
x=9/2=4.5
the number to multiply by is 2
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