Given equation: Start with the given equation 4d−4=5d−8.We want to isolate the variable d, so we will move all terms containing d to one side and the constant terms to the other side.Subtract 4d from both sides to move the d terms to one side.4d−4−4d=5d−8−4dThis simplifies to:−4=d−8
Isolating the variable: Now, add 8 to both sides to isolate d.−4+8=d−8+8This simplifies to:4=d
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