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I need help solving a  2b = 2
a + b = 2(b + 3)
using linear combination
 one year ago
 one year ago
I need help solving a  2b = 2 a + b = 2(b + 3) using linear combination
 one year ago
 one year ago

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drummer0121Best ResponseYou've already chosen the best response.0
Thank you so much for any help.
 one year ago

ShikhaDessaiBest ResponseYou've already chosen the best response.0
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'...
 one year ago
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