Answer:
X= -11.6
Explanation:
Step 1 - Subtract 1.2 from both sides.
-x + 1.2 - 1.2 = 12.8- 1.2
-x = 11.6
Step 2: Divide both sides by -1.
-x 11.6
__ __
-1 -1
If u don’t understand try searching up (solving variables on both sides calculator) It gives steps : )