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Which rule gives the same relationship between x and y as x + y = 6?
a. y = x + 6

c. y = 6 - x

b. y = x - 6

d. y = -6 - x

Respuesta :

x + y = 6

relationship: x = 6 -y or y = 6-x

so answer: c. y = 6 - x

show work:

x + y = 6

subtract x to both sides

x + y -x = 6 -x

simplify

y = 6-x

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