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99(x-z)=495 X-z=5 X+y+z=20 X+z=13 X-z=5 X=9 Z=4 Number=100*4+1 | 🍁Ariτнмєτic Maths🍁

99(x-z)=495
X-z=5
X+y+z=20
X+z=13
X-z=5
X=9
Z=4
Number=100*4+10*7+9
479,