5(x-1)=3x-7
2007-02-22 06:25:02 · 3 個解答 · 發問者 terrancekhho 7 in 科學 ➔ 數學
5(x-1) = 3x-7
5x-5 = 3x-7
5x-3x =- 7+5
2x = -2
x = -1
2007-02-22 06:28:22 · answer #1 · answered by k0n 4 · 0⤊ 0⤋
5x-5=3x-7
5x-3x=5-7
2x=-2
x=-2/2
x=-1
2007-02-22 11:02:15 · answer #2 · answered by Lam 6 · 0⤊ 0⤋
5x-5=3x-7
5x-3x=-7+5
2x=-2
x=-1
2007-02-22 06:39:29 · answer #3 · answered by 詩慧 3 · 0⤊ 0⤋