80(x-6)=50(x+3)怎么算

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80(x-6)=50(x+3)怎么算
80(x-6)=50(x+3)怎么算

80(x-6)=50(x+3)怎么算
80x-80×6=50x+50×3
80x-480=50x+150
80x-50x=150+480
30x=630
x=630÷30
x=21

80(x-6)=50(x+3)
8(x-6)=5(x+3)
8x-48=5x+15
8x-5x=15+48
3x=63
x=21

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