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and then solve the resulting problems

y=2x+10
2x+y= -2



2y=4x-8

2006-12-09 00:31:24 · 1 answers · asked by lynn l 1 in Science & Mathematics Mathematics

1 answers

y=2x+10
2x+y= -2

y-2x=10
y+2x =10
Add the above two equations getting:
2y - 20
y=10
substitute y = 10 in either of above equatons and get x = 0

2y=4x-8
4x - 2y = 8

Sorry, second equation is missing.

2006-12-09 00:40:01 · answer #1 · answered by ironduke8159 7 · 0 1

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