Answer:
x = − 69
Step-by-step explanation:
1: Simplify
−2x−(10)(12)=18
−2x+−120=18
−2x−120=18
2: Add 120 to both sides.
−2x−120+120=18+120
−2x = 138
3: Divide both sides by -2.
-2x ÷ -2 = 138 ÷ -2
x = −69
x=-69
