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5/15 equals 1/3 2/6 equals 1/3 Yes. They are equivalent fractions.
15 plus -3 equals 12 12 divided by -6 equals -2
15-3 times 2 equals 15-6 equals 9.
d/3+3 = 5 d+9 = 15 d = 15-9 d = 6
6x - 3y = 6 y= 2x + 5 replace 2x + 5 for y into the first equation 6x - 3y = 6 6x - 3(2x + 5) = 6 6x - 6x - 15 = 6 0 - 15 = 6 -15 = 6 False So the system has no solution.