illiana16 illiana16

19-07-2018
Mathematics

contestada

Use the substitution method to solve the system of equations. Choose the correct pair.
x+y=12
-x=-y-10

A 8,4
B 9,3
C 11,1
D 10,2

Respuesta :

helloman28 helloman28

19-07-2018

C
-x=-y-10 = x=y+10

x is 10 bigger than y
x+y=12

C

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