You could try using free online flashcards, then have someone quiz you.
Answer:
8x+20=11x-31 so subtract 8 from 11 and add 31 to 20. This gets you to 3x=51, or x=17
Explanation:
hope this helps
Slab-pull would be the answer.
mark brainliest b :)
Answer:
where is the statement?????????
Answer:
because they are made of dead antibacteriol organism that are as a result of animal and plants decaying to form matter hence referred as composing layer