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Subjects>Math>Algebra

What is 2a - 9a?

Anonymous

∙ 11y ago

Updated: 10/25/2024

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.

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More answers

It is: -7a when simplified

Wiki User

∙ 11y ago

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Continue Learning about Algebra

What is 9a plus 8-2a-3-5a?

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

How do you change 9a into a verbal expression?

9a verbal expression

How do you factor 0 equals -1a2-18-9a?

-a^2- 9a - 18 = 0 -(a^2 + 9a + 18) = 0 -(a + 6)(a + 3) = 0

What is 3a plus 4b plus 6a plus 3b in algebra?

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

What is 2a plus 2a?

4a

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Related Questions

What is 9a 3-2a?

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

What is 9a plus 8-2a-3-5a?

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

2a plus 5a plus 9a equals?

2a+5a+9a = 16a

How do you Factor the trinomial 2a squared - 9a-18?

(a - 6)(2a + 3)

What is 9a plus 3b-11a-4b?

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

9a plus 8 minus 2a minus 3 minus 5a?

2a-5

Simplify 9a plus 8 minus 2a minus 3 minus 5a?

2a+5

Simplify 7a plus 2a plus 1?

9a + 1

9a plus 15 equals 7a plus 9?

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

What are the values of a and b if 6 3 is the midpoint of the line joining 2a comma 2a-b to a-2b comma 4a plus 3b?

6 is the average of 2a and a - 2b so 12 = 2a + a - 2b = 3a - 2b3 is the average of 2a - b and 4a + 3b so 6 = 2a - b + 4a + 3b = 6a + 2bAdding the two equations gives: 18 = 9a so that a = 2Substituting for a in the first gives 12 = 6 - 2b so that b = -36 is the average of 2a and a - 2b so 12 = 2a + a - 2b = 3a - 2b3 is the average of 2a - b and 4a + 3b so 6 = 2a - b + 4a + 3b = 6a + 2bAdding the two equations gives: 18 = 9a so that a = 2Substituting for a in the first gives 12 = 6 - 2b so that b = -36 is the average of 2a and a - 2b so 12 = 2a + a - 2b = 3a - 2b3 is the average of 2a - b and 4a + 3b so 6 = 2a - b + 4a + 3b = 6a + 2bAdding the two equations gives: 18 = 9a so that a = 2Substituting for a in the first gives 12 = 6 - 2b so that b = -36 is the average of 2a and a - 2b so 12 = 2a + a - 2b = 3a - 2b3 is the average of 2a - b and 4a + 3b so 6 = 2a - b + 4a + 3b = 6a + 2bAdding the two equations gives: 18 = 9a so that a = 2Substituting for a in the first gives 12 = 6 - 2b so that b = -3

What is 2a plus 3?

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

What is 9a-a-a-a-a?

It is the same as: 9a -4a = 5a

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