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9a plus 15 equals 7a plus 9?

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Anonymous

∙ 15y ago
Updated: 12/23/2022

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

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∙ 15y ago
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In algerbra what is 9a-a-a equals?

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


Simplify 7a plus 2a plus 1?

9a + 1


2a plus 5a plus 9a equals?

2a+5a+9a = 16a


How do you simplify 9a-a-a?

7a


What is the value of a plus b if a equals 6 and b equals 9?

a = 6b = 9a + b = 6 + 9 = 15

Related Questions

Solve the equation 9a-a equals 19 plus 7a?

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


In algerbra what is 9a-a-a equals?

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


Simplify 7a plus 2a plus 1?

9a + 1


2a plus 5a plus 9a equals?

2a+5a+9a = 16a


How do you simplify 9a-a-a?

7a


What is 2a - 9a?

The expression 2a - 9a is a subtraction problem involving two terms with the variable 'a'. To solve this, you need to combine the coefficients of 'a'. In this case, 2a - 9a simplifies to -7a. This is because you are subtracting 9a from 2a, which results in -7a.


What is the value of a plus b if a equals 6 and b equals 9?

a = 6b = 9a + b = 6 + 9 = 15


What is 9a plus 21 equals?

9a+21 3(3a+7)


What is 12a plus 6b plus 9a plus 14b equals?

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


How do you solve -21 equals 9a-15-3a?

-21 = 9a - 15 - 3a -6 = 6a -1 = a


-14 plus 9a equals 38?

-14 + 9a = 389a = 52a = 52/9 or 5.78


How do you solve 1.5a plus 6 equals 9a plus 12?

a= -0.8

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