-9 -16m=7 Original Question +9 +9 Add 9 to both sides to isolate term -16m -16m=16 ————- -16 Divide -16 to both sides of equation. m= (16/-16) m= -1 m equals -1
* Check: now when you substitute -1 into m in the original question, -9 -16(-1) =7, it should equal to 7.
