if 3x plus 20 equals 135 what is x?

2008-01-01 12:15 am

回答 (29)

2008-01-01 11:03 am

✔ 最佳答案

3x + 20 = 135
3x = 115
x = 115 / 3

3x + 20 = 134 (looks a better question!!!!)
3x = 114
x = 38

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2008-01-05 6:34 am

3x + 20 = 135
3x = 115 Subtract 20 on both sides
x= 115/3

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2008-01-05 12:09 am

3x+20 = 135
3x = 135-20
3x = 115
3x/3 = 115/3
x = 38.3

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2008-01-01 6:04 pm

it's easy 20+3x=135
3x=115
x=115/3
x=38.33333...ans

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2008-01-01 3:27 pm

38.3333, i got 2 points.

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2008-01-04 12:33 am

3x+20=135
3x=135-20
x=115/3
x=38.333

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2008-01-01 8:13 pm

3x + 20 = 135
3x = 115
x = 115/3 = 38.33333

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2008-01-01 7:50 pm

3x+20=135
3x=135-20
3x=115
3x/3=115/3
x=38.33

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2008-01-01 7:16 pm

3x+20=135
3x=135-20
x=115/3
x=38.333333

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2008-01-01 7:03 pm

3x + 20 = 135
3x + 20 - 20 = 135 - 20
3x = 115
3x/3 = 115/3
x = 38 1/3

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