I can't figure out this problem for the life of me.
Find the number of solutions in integers x1,...,x5 of x1+x2+x3+x4+x5=50 subject to the constraints x1,x2>=0, x1>5, x5>15 and -2<=x4<=0.
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I can't figure out this problem for the life of me.
Find the number of solutions in integers x1,...,x5 of x1+x2+x3+x4+x5=50 subject to the constraints x1,x2>=0, x1>5, x5>15 and -2<=x4<=0.