Answer:
14x - 26
Step-by-step explanation:
We have
5x+7 + 3x - 8 + 6x - 25
When adding these terms make sure to separate the variables from the numbers. We can do this by rearranging terms.
So, (5x + 3x + 6x) + (7-8-25)
Adding these gets us 14x - 26