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Solve for x. 3x + 2 = x + 8

A. 1.5

B. 2.5

C. 3

D. 5

1 answer

To solve for x, we want to get all the x terms on one side of the equation and all the constant terms on the other side. Let's solve it step by step.

3x + 2 = x + 8

First, we can subtract x from both sides:

3x + 2 - x = x + 8 - x

This simplifies to:

2x + 2 = 8

Next, we can subtract 2 from both sides:

2x + 2 - 2 = 8 - 2

This simplifies to:

2x = 6

Now, we can divide both sides by 2 to solve for x:

2x/2 = 6/2

This simplifies to:

x = 3

So the solution is x = 3.

Therefore, the correct answer is C. 3.