anonymous
  • anonymous
solve by the addition method 2x+y=11 x-y=11
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
add both the equations
anonymous
  • anonymous
it will be 3x = 22 so x = 22/3 then put the value of x in any of the above equation to get the value of y
anonymous
  • anonymous
but whats the value of y??

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anonymous
  • anonymous
13/3??
anonymous
  • anonymous
from equation (ii) x - y = 11 so y = x - 11 the value of x is 22/3 so the value of y will be 22/3 - 11
anonymous
  • anonymous
y = -11/3
anonymous
  • anonymous
ok thank you can u help me to solve by graphing?? only this question?? 3x+4y=20 3x-2y=8
anonymous
  • anonymous
okay, but you need to know how to graph straight lines to solve using graphing
anonymous
  • anonymous
do you know how to graph straight lines???
anonymous
  • anonymous
yes but i just need the points thats all
anonymous
  • anonymous
yes, then the point where the two lines intersect is your required answer
anonymous
  • anonymous
yes but what are these points??
anonymous
  • anonymous
okay, i'll tell you from the very start. do you have graph paper right now???
anonymous
  • anonymous
no
anonymous
  • anonymous
ill make one
anonymous
  • anonymous
do you have to solve this specific question using graph???
anonymous
  • anonymous
no i only need the points the answer :(
anonymous
  • anonymous
yes, right, i think :P lol
anonymous
  • anonymous
please tell me the points!!

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