Hello there!
[tex]2.5(10 x+8)+3y\\[/tex]
Explanation:
↓↓↓↓↓↓↓↓↓↓↓↓↓
First you had to expand.
[tex]2.5(10x+8)+3y[/tex]
[tex]2.5(10x+8)=25x+20[/tex]
[tex]=25x+20+3y[/tex]
Answer⇒⇒⇒⇒⇒=25x+20+3y
Hope this helps!
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-Charlie