It seems like you might be asking to solve the equation: 3x + 4x = 6

Here's how to solve it:

1. Combine like terms: 3x + 4x = 7x

2. Isolate x: 7x = 6

3. Divide both sides by 7: x = 6/7

Therefore, the solution to the equation 3x + 4x = 6 is x = 6/7.