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Mathematics 11 Online
OpenStudy (anonymous):

solve system by substitution please! A-1.2b=-3 and 0.2b+0.6a=12 ANSWERs Below: A(15,15) B(13,12) C(10,12) D(7,9)

OpenStudy (anonymous):

a=1.2b-3 0.2b+(.6)(1.2b-3)=12 Solve for b

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