what are the answers for realidades 2 capitulo 3b page 66
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-2b + 7 -3b = 2 -2b +7 -3b +2b = 2 + 2b 7 -3b + 3b = 2 + 2b +3b 7-2 = 2-2 + 2b + 3b 5 = 5b 1 = b
3b + 2a = 2 and -2 + a = 8 -2 + a = 8 can be rearranged to show a = 8 + 2 = 10 (Effectively 2 has been added to both sides.) As a = 10, the value for a can now be substituted in the equation 3b + 2a = 2 3b + 2x10 = 2 : 3b + 20 = 2 this can be rearranged to show 3b = 2 - 20 = -18 and dividing both sides by 3 gives b = -6.
If you mean: (3b+7)^2 then it is 9b^2+42b+49
26 = 3b - 2 - 7b 28 = -4b b = -7
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I need to study for this capítulo
You need to look at the answers in the back of the book.
A person will find the answers to pages 51-54 of the Capitula 3A Realidades 2 in the reading material from the course. These answers have not been given online.
The answers to the real ideas level 2 capitulo 4b-2 are not provided through the Internet. Consulting the study material is the best way to know the answers.
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Do your homework, then check the answers with your teacher!
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sadely there is no way i have found yet the internet is not working for once. Try the back of the book there are some answers there, but if its not there i would say get help from someone or copy there work.