Respuesta :

(6*1)-(6*7x) + (9*x)-(9*2)
6-42x + 9x -18
+6 - 18 -42x + 9x
-12 -33x

6 (1-7x)+9(x-2)
Use distirbutive property
(6 - 42x) + (9x - 18)
Combine like terms
Final Answer: -33x - 12