What does x equal in the equation 3x+2(7+x)=11+5(x-1)?

2009-09-06 9:25 am

I was wondering if I got the value of x right so if you could give me the value of x that would be great!

回答 (6)

2009-09-06 10:06 am

✔ 最佳答案

3x + 2(7 + x) = 11 + 5(x - 1)
3x + 14 + 2x = 11 + 5x - 5
0 = - 8 is false

Answer: this problem has no solution.

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2009-09-06 7:53 pm

3x + 2(7 + x) = 11 + 5(x - 1)
3x + 14 + 2x = 11 + 5x - 5
5x + 14 = 5x + 9
0x = - 5.
no solution.

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2009-09-06 5:33 pm

3x + 2(7 + x) = 11 + 5(x - 1)
3x + 2(7) + 2(x) = 11 + 5(x) - 5(1)
3x + 14 + 2x = 11 + 5x - 5
3x + 2x - 5x = -14 + 11 - 5
0 = -8
(no solution)

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2009-09-06 5:32 pm

3x+14+2x=11+5x-5
3x+2x-5x=11-5-14
0=-8
not possibel

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2009-09-06 4:35 pm

x=1

參考: graphic calculator =]

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2009-09-06 4:31 pm

5x + 14 = 5x + 6

No solution

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