Question

10 x +1 - 8 20 - 3;​

Answer 1

10х=820+3-1
10х=822
10х=82,2

Answer 2

It seems like you've provided a mathematical expression: "10 x + 1 - 8 20 - 3". However, there might be some typographical errors or missing operators in your expression. It's not clear how the numbers and "x" are meant to be combined. Could you please provide a clearer representation of the expression you're trying to convey? For instance, are you looking to simplify an equation or solve for a variable? Your input will help me provide you with the accurate information you're seeking.