How do you solve this equation: 2(x+5) = x-8?

👨🏻‍🏫 學術台數學

[匿名]

2007-12-05 3:17 am

回答 (6)

[匿名]

2007-12-05 3:46 am

✔ 最佳答案

2(x+5)=x-8
2x+10=x-8
2x-x+10=-8
x+10=-8
x+10-10=-8-10
x=-18

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[匿名]

2014-02-24 6:05 am

solve 2(x+5)=x

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[匿名]

2007-12-05 11:24 am

2(x+5)=x-8
2x+10=x-8
2x+18=x
18=-x
x=-18

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[匿名]

2007-12-05 11:20 am

2(x+5) = x-8
2x + 10 = x - 8
2x = x - 18
1x = -18
x = -18

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pyrodude1031

2007-12-05 11:20 am

2x+10 = x-8
2x-x=-8-10
x=-18

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[匿名]

2007-12-05 11:20 am

2(x+5) = x-8
2x + 10 = x - 8
2x -x + 10 = - 8
x = -8 - 10
x = -18

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