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OpenStudy (anonymous):
Solve using elimination and substitution. 900x+540y+360z=6930.00 1125x+150y+225z=5475.00 860x+645y+645z=8879.50
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OpenStudy (anonymous):
Please help. I've been on this question for hours!
OpenStudy (anonymous):
so eliminate multiple any 2 with a number that you get any of the expreesion in the two eqn same and cancel it and then solve hope it helped
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