deathmetal420 deathmetal420

12-04-2016
Mathematics

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Use the substitution method to solve the system of equations. Choose the correct ordered pair.x + y = 5 y = 7

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sabihanaziry2000 sabihanaziry2000

14-04-2016

First we put 7 in the place of y, after that subtract 7 from both sides, the answer is -2.
x + y= 5 y = 7
x+ 7=5
x= 5-7
x = -2

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