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OpenStudy (anonymous):
I will give a metal to whoever helps me. I would really appreciate it. What is the value of the x variable in the solution to the following system of equations? 7x - 2y = 21 4x + y = 57 21 -21 9 -9
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OpenStudy (akashdeepdeb):
Now use it in the second equation! y = 57-4x [Okay?] Put it in the first equation as 7x - 2y = 21 7x - 2(57-4x) = 21 Solve the equation now! :) Understood? :)
OpenStudy (anonymous):
one sec. gonna solve it
OpenStudy (akashdeepdeb):
:D
OpenStudy (anonymous):
x=9 ^_^
OpenStudy (akashdeepdeb):
:)
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OpenStudy (anonymous):
Thank you! :) I told you i only needed a refresher! LOL
OpenStudy (akashdeepdeb):
Hahah...Yeah!! :D
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