3 years ago

Use elimination to solve the system:6x-4y=6-6x+3y=0

2 answers:

6 0

6x+4y=6
-6x+3y=0

7y=6
y=6/7

use one of the equations above i picked the first one
6x+4y=6
6x+4(6/7)=6
6x+24/7=42/7
6x=18/7
x=3/7

ella [17]3 years ago

5 0

6x and -6x cancel each other out.
You are left with -1y=6
Therefore, y=-6

6x-4(-6)=6
6x+24=6
Subtract 24 from both sides.

6x=-18
Divide both sides by 6
X=-3

Final answers: x=-3 y=-6

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