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In these examples, each equation was solved by adding the opposite.

label Algebra
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I dont know algebra and my teacher will not help me please.help me. This is my question 

X-7=9

Sep 23rd, 2014

Given

X-7=9

x = 9 + 7           take 7 to other side then sign will change

x = 16

Sep 23rd, 2014

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Sep 23rd, 2014
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Sep 23rd, 2014
Jun 28th, 2017
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