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david!!!

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|x+1|-|x|+3|x-1|-2|x-2|=x+2don,t have any ideal at all show working plz
1. 1 answer
2. 433 views
x^2+y^2-2xy=21x^2+2xy-8y^2=0 find x and y help me plz
1. 2 answers
2. 473 views