Solve the following system and show all of your work.
3y − 2x = 11
y + 2x = 9
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OpenStudy (anonymous):
@Mandy86 help
OpenStudy (anonymous):
O crap!
OpenStudy (anonymous):
ok so you can get rid of the x's to get y
OpenStudy (anonymous):
show work
OpenStudy (anonymous):
3y=11 y=9
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OpenStudy (anonymous):
3y − 2x = 11
y + 2x = 9
---------------add both equations
4y = 20
--------divide both sides by 4
y = 5
plug that into any of the equations
y + 2x = 9
5 + 2x = 9
subtract 5
2x = 9- 5 =4
divide by 2
x = 2
OpenStudy (anonymous):
that doesnt look right hold on im gonna write the whole question
OpenStudy (anonymous):
Part 1:
If you were solving a system of equations and you came to a statement like 4 = 4, what do you know about the system?
Part 2:
Solve the following system and show all of your work.
3y − 2x = 11
y + 2x = 9
I have done part 1
OpenStudy (anonymous):
i think its like a graphing equation so i have to get an answer, for example like (3,2)
OpenStudy (anonymous):
ok write it down in a point form
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OpenStudy (anonymous):
not sure how to
OpenStudy (anonymous):
i know y=mx+b
OpenStudy (anonymous):
(x,y) what are the values we found?
OpenStudy (anonymous):
i mean i found
OpenStudy (anonymous):
not sure
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