100(X一3)十10(X一1)十X十100X十10(X一1)十(X一3)=787怎么解

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100(X一3)十10(X一1)十X十100X十10(X一1)十(X一3)=787怎么解

100(X一3)十10(X一1)十X十100X十10(X一1)十(X一3)=787怎么解
100(X一3)十10(X一1)十X十100X十10(X一1)十(X一3)=787怎么解

100(X一3)十10(X一1)十X十100X十10(X一1)十(X一3)=787怎么解
100X-300+10x-10+x+100x+10x-10+x-3=787
222X-323=787
222X=1110
X=5