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Mathematics, 20.01.2021 18:10 caitybugking
A student claims that he can solve 12x + 8y = 40 and 4x + 5y = 18 for x and y by adding the first
equation to a multiple of the second equation. He can then use the new equation and the first
equation to create a new system that has the same solution as the original system. The student
begins by listing four different equations.
Determine whether the student can use that equation to replace the second equation and create a
new system that has the same solution. Select Yes or No for each equation.
Yes No
12x + y = 40 00
12x + 10y = 36 00
20x + 16 y = 48
20x + 18y = 76
O
O
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A student claims that he can solve 12x + 8y = 40 and 4x + 5y = 18 for x and y by adding the first
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