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{0.4x+0.5y=20{0.5x+y=10 elimination by multiplication
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{0.4x+0.5y=20{0.5x+y=10 elimination by multiplication

User Ben Goodrich
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0.4x+0.5y=20------------------(1)
0.5x+y=10----------------------(2)

To use the elimination method, we multiply equation (2) by 0.5 to get equation (3)


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User Reubano
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