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Omni-MATH / Integers 0≤a,b,c,d≤9 satisfy begingathered 6 a+9 b+3 c+d=88 a-b+c-d=-6 a-9 b+3 c-d=-46 endgathered Find 1000a+100b+10c+d · Discussion

Discussing Integers 0≤a,b,c,d≤9 satisfy begin{gathered} 6 a+9 b+3 c+d=88 a-b+c-d=-6 a-9 b+3 c-d=-46 end{gathered} Find 1000a+100b+10c+d · Omni-MATH

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