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Q: Is a plus 2a equals 3a equation or expression?

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It is the expression 3 + 2a.

a + a + a - 2a = 3a - 2a = a

They are two terms of an algebraic expression which can be arranged as : y-2a

It is the expression 3 + 2a.

If: 2a+13 = 5a+1 Then: a = 4

Solve the following equation for A : 2A/3 = 8 + 4A

Firstly, I think you mean 2a-3b. The numbers always come first. Secondly, 2a-3b is an expression, not an equation as equations have equeal signs in them. Lastly, you do not have enough information to solve 2a-3b since it is an expression. Therefore, the answer to your question is 2a-3b.

The expression is: (4a+b)/(2a-5b)

1

2a+5a+9a = 16a

a= (+a) or a= (-) b= 2a b= 2a c= (-a) c= (+a)

It is one linear equation in two unknown variables: e and a.

3b -1

2a+b=2a+b. Without a value for a and b, the expression has no value.

a=10

A equals 20.

We have, 2a + 24 = 30or, 2a = 30-24or, 2a = 6or, a = 6/2 = 3.Therefore, a equals 3 or simply a=3

The value of a in the equation 5a plus 2a = 6-6a is a=6/11.

14!!

7

5a-20+2a = 6a-11 5a+2a-6a = 20-11 1a = 9 a = 9

A=2

Since you have A on both sides of the equation, 2A = 24A, A must be 0, though it is more likely that you're missing a term from one side of the equation.

2ab - 3b2 - 3b + 2a does not have a solution, as it is not an equation.

a = 1