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Linear Algebra
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OpenStudy (anonymous):
I need help solving a - 2b = 2 a + b = 2(b + 3) using linear combination
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OpenStudy (anonymous):
Thank you so much for any help.
OpenStudy (anonymous):
in the second equation, open up the brackets... the coefficient of 'a' is the same, i.e. 1. u subtract equation two from one, due to which 'a' will be eliminated (since a - a is zero) then u get the value 'b'....so then u substiture the value of 'b' to get the value of 'a'...
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