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Q: -14 plus 9a equals 38

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2a+5a+9a = 16a

9a+21 3(3a+7)

a= -0.8

a is equal to 1.

a= -4

Collect like terms: 9a -7a = 9 - 15, ie 2a = -6, so a = -3

12a + 6b + 9a + 14b =(12a + 9a) + (6b + 14b) =21a + 20b

It is: 9a-a-a = 7a

so 5a = -20 making a = -4

a + 3a + 5a = 180 9a =180 a = 20

4a - 2.1 = 9a + 5.4 4a - 9a = 5.4 +2.1 -5a = 7.5 -a = 1.5 a = -1.5

9a + 4a = 26 13a = 26 a = 26/13 a = 2

(9a + 2)(9a + 2)

If: 9a = 18b Then: a = 2b

9a = 6a + 4 subtracting 6a from each side, 3a = 4 dividing each side by 3, a = 4/3

a2+9a+20 = (a+4)(a+5) when factored

There is nothing you can do to 9a + 5 without knowing the value of a.

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

9a + 3b - 11a - 4b = -2a -b

The simplified expression is -9a -9b.

9a-a = 19+7a 8a = 19+7a 8a - 7a = 19 + 7a - 7a 1a = 19 a = 19

That cannot be simplified any further so it is: 9a + 45z

9a + 1

9a +8 -2a -3 -5a = 2a +5

Gathering like terms together, this can be rewritten: 9a = 180 Dividing both sides of the equation by 9: a = 20