well first the complement I 90-19=71
and supplement is 180-19=161

Step 1:
Here we have -3 in subtraction on the left side, so when we take it to the right we apply opposite operation of subtraction that is addition.


Step 2:
Next we have 4 in multiplication on left side, so dividing right side by 4,


Step 3:
taking log on both sides


Step 4:
Dividing right side by 2,
x= ln (3.75) /2 = 0.66088
Answer : x = 0.66088..
Answer:
x>4
Step-by-step explanation:
2x>4(3x-5)-20
2x>12x-20-20
2x>12x-40
2x-12x>-40
-10x>-40
x>4
Im assuming you meant the 9th term and thats 47