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Anonymous
7y+ 8x + 4= 20 + 8x- 8x - 8x7y + 4 = 20- 4 - 47y=16/7 /7y= 2.28the /7 means divide by 7 :)
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-8x-6y=-18
no its not a solution
The lines intersect at (3, 5)
-8x -7y
11x + 8 = 8x + 20 3x + 8 = 20 3x = 12 x = 4