Algebra question- How do you solve this equation? 2t - 8 = 20?

2008-12-01 6:39 am

Please give a simple explanation.

回答 (9)

2008-12-01 6:45 am

✔ 最佳答案

2t - 8 = 20
2t = 28 (Add 8 to both sides)
t = 14 (Divide both sides by 2)

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2008-12-01 3:40 pm

2t = 28
t = 14

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2008-12-01 3:02 pm

2t=20+8
2t = 28
t= 28/2
t=14

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2008-12-01 2:51 pm

the answer is 14
i worked it out from right tp left
20+8=28 so 2t had to equal 28 therefore 2x14-8=20

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2008-12-01 2:50 pm

2t - 8 = 20
2t = 20 + 8
t = 28/2
t = 14

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2008-12-01 2:49 pm

2t-8=20
2t=28
t=14

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2008-12-01 2:49 pm

2t-8=20
2t=20+8
2t=28
t=28/2
t=14

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2008-12-01 2:47 pm

2t = 20 -8
2t = 12
t = 12/2
t = 6

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2008-12-01 2:45 pm

add 8 to both sides

2t = 28

divide both sides by 2

t = 14

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