Answer: d-11/21
Explanation:
Answer:
d = -1/4
6d - 11/2 = 2d -13/2 ==> subtract 2d to both sides
4d - 11/2 = -13/2 ==> add 11/2 to both sides
4d = -13/2 + 11/2
4d = -2/2=1 , 4d = -1 ==> divide by 4 both sides
d= -1/4
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