Free points giving away a total of 1356 points lookout for my questions

What is x and y (use substitution? ) 5x+3y=38 and y=3x+8?

Tracy solved the following problem. which of the statements is true? 9 ÷ 3 + 6 × 2 3 + 6 × 2 9 × 2 18 her answer is correct. her answer is incorrect. she should have multiplied before dividing. her answer is incorrect. she should have multiplied before adding. her answer is incorrect. she should have added before dividing.

Can some one me with these questions