4a+7b-12c-8a-9b+12d
Now you have to combine like terms, so a and a, B and B etc.
4a-8a=-4a
7b-9b=-2b
No more like term
-4a-2b-12c+12d
Have a nice day
5x=3x+20
5x-3x=3x-3x+20
2x=20
2x/2=20/2
X=10 Hope this helped!
-Twix
Answer:
6/35
Step-by-step explanation:
of means multiply, so just do 2/7 times 3/5
The answer would be about $2.79
Answer:
The width of the poster is 32 inches.
Step-by-step explanation:
8*4=32