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2x + y = 17 x-y = 4 ---> x = 4 + y2(4+y) + y = 17 ------> 8 + 2y + y = 17 -----> 8 + 3y = 17 --------> 3y = 9 -----> y=3 x = 4+y ------> x = 7

Basic reading practise is a great way to introduce new students to learning Spanish. Not only does it develop the ability to pronounce various sounds, but it also develops confidence (essential to languag...

X= 3y= 2

-       Larger cell have smaller SA:Vol Ratio-       Difficulty in exchange materials-       Multicellular more efficient-       Revisit – transfusion, osmosis, active transport

What are the causes of desertification?(Note - We are solely looking at the causes and not the effects or solutions of desertification)So break the question down: Define desertification -...