Pls help me it's due today​

5x + 2 = 12 solve the following equation. then place the correct number in the box provided.

How do you solving the solution of each system using elimination?

Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60