Mathematics
Jalilaabill
2016-04-09 06:50:51
Can someone help me out
ANSWERS
Phillip
2016-04-09 09:33:22

x + y = 12 -x = -y - 10...multiply by -1.....x = y + 10 y + 10 + y = 12 2y + 10 = 12 2y = 12 - 10 2y = 2 y = 1 x + y = 12 x + 1 = 12 x = 12 - 1 x = 11 solution is : (11,1)

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