Question

What is -12 > x + -9?

Answer 1

-12 > x+ -9
⇒ -12+ 9 > x
⇒ -3 > x

Final answer: x < -3~

Answer 2

add -9 to -12 and you should get -3>x so x<-3

-12>x+-9
+9 +9
-3>x
Final: x<-3