Gymnasticsgirl1515
Gymnasticsgirl1515 Gymnasticsgirl1515
  • 23-01-2018
  • Mathematics
contestada

Solve by graphing: use any method

x + y = 6

x - y = 4

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prosborough198p2ub41
prosborough198p2ub41 prosborough198p2ub41
  • 23-01-2018
x+y=6
x-y=4
using these equations we solve for either x or y in one and plug it into that variable in the other equation.
x=y+4 so y+4+y=6 so 2y=2 so y=1
now using y=1 put into first equation. x+1=6 so x=5 
so we know our graph goes through the coordinate point (5,1) then just make an x table and use some values to find the corresponding y coordinate and then do that for at least three points or more if needed to find the best fit for graph. Hope this helps walk you through it! Any questions please just ask! Thank you!
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