First, you would subtract 6 from both sides
-4x+6=-30
-6 -6
-4x=-36
Then divide both sides by -4 to get x by itself
-4x=-36
-4 -4
x=9
Hope this helps!
Answer:
12x2+12x+1=0
Step-by-step explanation:
well first you need to add all the x's and add your additional numbers, keep all +'s signals and then minuse the addition numbers which makes your anserw negitive and then divide your ansew by your x.
Step-by-step explanation:
The number of subsets=2ⁿ where n=4 members
2ⁿ=2⁴=16
Number of proper subsets=2ⁿ-1
16-1=15
