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Q: Simplify 7a plus 2a plus 1?

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12a- 6a + a = 7a Since they all have the same variable, you can simply add and subtract 12-6 = 6 6+1 = 7

a(2a + 1)

Factor the numerator. x+1 is one of its factors (otherwise, it wouldn't be possible to simplify it). Then cancel the identical factors in the numerator and the denominator.

3x + 8

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3b -1

2a-3+4b-2a-b-2a-b-3+5 Can be simplified to: 3b-1

5a + 3 = 7a - 1 add 1 to both sides 5a + 4 = 7a so 4 = 2a as 5a + 2a = 7a 4 = 2a = 2 x 2 so a = 2 Check: then 5a + 3 = 10 + 3 = 13 and 7a - 1 = 14 - 1 = 13

(a^2+7a-8)/(a^2+6a-7) (original equation) (a+8)(a-1)/(a+7)(a-1) (simplify top and bottom) (a+8)/(a+7) <--answer

(2a+1)(a+1)

7a-17 = 4a+1 7a-4a = 1+17 3a = 18 a = 6

a/2a^2 You can take "a" out of both of those. It leaves you with 1/2a

5a + 3 + (2a - 2) + a= 5a + 3 + 2a - 2 + a= 8a + 1

-2a + 5 = 1 -2a = -5 + 1 -2a = -4 a = -4/-2 a = 2

2a-3+4b-2a-b-3+5=3b-1

i dont understand what you mean by symbolic but ill just do an example 2a + 3 = 4 - 5a first collect like terms 2a +3 -3 = 4 -3 -5a 2a = 4-3 - 5a 2a + 5a = 1 - 5a + 5a 2a + 5a = 1 7a = 1 divide both sides by the coefficient of the unknwown(i.e. the number in front of the letter) 7a/7 = 1/7 a = 1/7

2a + 1 = 3subtract 1 from both sides2a = 2divide both sides by 2a = 1

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