Answer:

Step-by-step explanation:
This is the answer because it is subtracted so that you get the answer
Answer:
I think its 57
Step-by-step explanation:
the difference of 6 divided by 2 is 3
i just divided 171 by 3 and got 57
Let x the subject of the equation in x-2y=-10 this make it x=2y-10 substitute this in the first equation. 3(2y-10)-2y=-6 solve for y, y=6. substitute y in any of the original equations to get x x= 2
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