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Solve the system using substitution. Y=8-x 7=2-y A. (5,13) B.(13,-5) C.(3,5) D.(21,-13)
asked
Feb 22, 2018
Mathematics
middle-school
2
answers
0
votes
122k
views
What made it possible for a small country like Britain to rule large territories ?
asked
Nov 18, 2017
History
high-school
2
answers
3
votes
163k
views
How do you simplify 12r+5s-7t+11r+9s-4r
asked
Jul 9, 2017
Mathematics
high-school
1
answer
1
vote
103k
views
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