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Solve the system using any algebraic method. Show all your steps. 19. 2x-5y=3 -4x+10y= -6 20. 8x+3y=10 -6x + y = -12
asked
Jan 24, 2015
Mathematics
high-school
2
answers
0
votes
26.2k
views
What are two ways that organisms gather information about their environment
asked
Jan 1, 2015
Biology
middle-school
1
answer
4
votes
106k
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