10(x-200-600)=2x+2000

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10(x-200-600)=2x+200010(x-200-600)=2x+200010(x-200-600)=2x+200010x-8000=2x+2000移向8x=10000x=125010x-8

10(x-200-600)=2x+2000
10(x-200-600)=2x+2000

10(x-200-600)=2x+2000
10x-8000=2x+2000移向
8x=10000
x=1250

10x-8000=2x+2000移向
8x=10000
x=1250