Answer
d = -0.45
Work Step by Step
1.25d - 3.4 = -2.3(5d + 4)
1.25d - 3.4 = -11.5d - 9.2
1.25d = -11.5d - 9.2 + 3.4
1.25d = -11.5d - 5.8
1.25d + 11.5d = -5.8
12.75d = -5.8
d = -0.45
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