Respuesta :

12x + 16y = 336.
(move x to the right side, to have y by itself. so -12x on both sides)

16y = -12x + 336
(now divide each number by 16 to get Y on its own)

y = -12/16x + 336/16

y = -3/4x + 21

slope= -3/4
y-intercept= 21

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