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12n = 60divide both sides integers by 12(12/12)n = 60/12n = 5=======check in original equation12(5) = 6060 = 60=======checks
You cannot solve 1 linear equation in 2 unknown variables. You need at least two independent equations.
y2 + 12y + 5y + 60 y (y + 12) + 5 (y + 12) (y + 12 )(y + 5)
x2 - 7x = 60 x2 - 7x - 60 = 0 (x - 12) (x + 5) = 0 x = 12 or x = -5
The fraction 7/15 (represented in decimal form by 0.4666...) increased by 59 of itself is equal to the number 28. You can solve this by adding 1 to 59 (60) and then divide 28 by 60.