Answer:
UV=142
Step-by-step explanation:
21x-13=10x+31
+13 +13
21x=10x+44
-10x=-10x
11x=44
÷11 ÷11
x=4
now substitute 4 in place of x (only have to solve one)
21(4)-13= 71
now multiply your answer by 2
71×2=142
Its D if you want to give it a shoot but im 75% sure is D hope you got it right. :)
NO.2 answer is 5088.052869
Option "D" would be your answer.
- KJ, JL, LK
