
一减三分之一X等于4减X等于几
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解:解方程, 此方程的解为X = 9/2,【即x = 4.5】
一减三分之一X等于4减X
1 - (1/3)X = 4 - X
-(1/3)X + X = 4 - 1
-(1/3)X + (3/3)X = 3
(2/3)X = 3
X = 3 ÷ 2/3
X = 3 × 3/2
X = 9/2
∴X = 4.5
答:此方程的解为X = 9/2,【即x = 4.5】
一减三分之一X等于4减X
1 - (1/3)X = 4 - X
-(1/3)X + X = 4 - 1
-(1/3)X + (3/3)X = 3
(2/3)X = 3
X = 3 ÷ 2/3
X = 3 × 3/2
X = 9/2
∴X = 4.5
答:此方程的解为X = 9/2,【即x = 4.5】
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