Respuesta :

Answer:

Step-by-step explanation:

81= 3 times k. K equals 27

4x-12 = 18. X is 5

4x-3=5. X is 2

4x-2=38. Answer is C

I hope this helps!

Plz, Plz, mark Brainliest!

11) 4x-3=5
+3 +3
4x=8
/4 /4
x=2

14) 81=3k
/3 /3
27=k

The last question) 4x-12=8
+ 12 +12
4x=20
/4 /4
x=5