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Q: In algebra a 3a

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9a + 7b *remember to look and understand the letters!*

3a^2 + 3a^2 = 6a^2 3a^2 - 3a^2 = 0 3a^2 x 3a^2 = 9a^4 3a^2 divided by 3a^2 = 1

81(a^4)

The given expression can be simplified to: 3b-a

3a2

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9a + 7b *remember to look and understand the letters!*

8

3a + 2b is an expression in algebra. If you make 3a + 2b equal to something then you can find the values of "a" and "b" Lets say you make 3a + 2b equal to 23 3a + 2b = 23 Now find "a" and "b" to make this equation true... 3(5) + 2(4) = 23 15 + 8 = 23 23 = 23 Correct So in this case a=5 and b=4

The variable.In algebra a can represent a number - any number, it does not have to have a value like 6 or 31¼ until you have worked one out.You could say, what is a if 3a + 6 = 24? Mathematicians like that kind of problem but if you learn how to solve it, it is a powerful thing that you can use for different problems.3a + 6 = 24 can also be written as 3a = 18, so a = 6 is the solution. It is also the solution to the question: what is the number that if you triple it and add 6, the answer is 24? by doing the algebra, you get the answer 6 quite quickly, but the good thing about algebra is that it gives a framework for solving much more difficult questions as well, that you can't do in your head.

3a^2 + 3a^2 = 6a^2 3a^2 - 3a^2 = 0 3a^2 x 3a^2 = 9a^4 3a^2 divided by 3a^2 = 1

If you mean: 4a +29 -3a -a +3a then it simplifies to 29 +3a

7a minus 2, if "3a-2" means 3a minus 2. 3a plus 1 and 1-3rd in parenthesis times 3a, if "3a-2" means 3a squared. a plus 3a squared plus 3a = 1-3rd times 3a plus 3a times 3a plus 1 times 3a = 3a plus 1 and 1-3rd in parenthesis times 3a

81(a^4)

a x a x a = a3

Your equation would look like this: .3a = 22.05 After that, it's just a matter of algebra: $73.50

The given expression can be simplified to: 3b-a

a + 3a - 2 + 3a. Add the a + 3a + 3a = 7a. You can't combine the -2 & 7a so the solution is: 7a - 2.

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