# How many solutions are there to the equation xl + x2 = 9, where xl > 2 and x2 > 2 are nonnegative integers?

• How many solutions are there to the equation xl + x2 = 9, where xl > 2 and x2 > 2 are nonnegative integers?

How many solutions are there to the equation xl + x2 = 9, where xl > 2 and x2 > 2 are nonnegative integers?
Positive: 64 %
and the general solution is Xl = .7 + .3X2 + .2X3, with X2 and X3 free. That is, [Xl] ... systems with many solutions can arise ... -.6 .9 -.2 o '" 0 .66 ...
Positive: 61 %

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In [14], solutions to a single equation ... c are constants, k, m nonnegative integers and (r, 0) are ... =r sin ~ arccos x) (r 2 =Xl+X2), ...
Positive: 64 %
Green's Distributions and the Cauchy Problem for the ... The sum of the nonnegative integers AI ... pendent solutions of the homogeneous equation may
Positive: 59 %
... q are nonnegative integers, ... in powers of xl, x2, ..., Xn, with A(T, e) an (n x n) ... (29) and hence are formal solutions of this equation.