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OpenStudy (anonymous):
Solve by the substitution method 8x+9y=-5 x=8-4y Answer should be in an ordered pair.
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OpenStudy (lalaly):
substitute x=8-4y in 8x+9y=-5 8(8-4y)+9y=-5 64-32y+9y=-5 -23y=-69 y=3 substitute y=3 in sec equation x=8-12=-4
OpenStudy (lalaly):
it said substitution method not eliminaation
OpenStudy (anonymous):
lalaly thank you when I substitute 3 in the second equation will you double check it for me?
OpenStudy (lalaly):
its right... x=-4 and y=3 ;)
OpenStudy (anonymous):
OH ...LOL see I am not very good at algebra...haha I thought I had to go back and solve some more.. Thank you! If only I could give double medals.
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OpenStudy (lalaly):
hehe im glad i could help :D
OpenStudy (anonymous):
Thank you again!
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