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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Hello dcbama84 Originally Posted by dcbama84 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. Welcome to Math Help Forum! If there's no restriction on $\displaystyle x_3$, there are infinitely many solutions. Grandad
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