Answer:
X= 10
Step-by-step explanation:
11-2x = -9 first we need have x alone on the left hand side if we want to find x
11-2x= -9
-2x= -9-11 we take 11 to the right hand side the additive Inverse rule
-2x= -20 after reaching this step we divide both sides by 2 because we want to leave x alone