Answer:
I haven't learn this yet but you can maybe ask desmos that app is helpful maybe it can help with your question.
Answer:
7<em>x</em> + 10
Step-by-step explanation:
10 + 8<em>x</em> - 1<em>x</em>
<em>Add or subtract like terms.</em>
10 + (8 - 1)<em>x</em>
10 + (7)<em>x</em>
<em>Rearrange.</em>
7<em>x</em> + 10
The answer is in the photo