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2.79(d-5)=5.58
We move all terms to the left:
2.79(d-5)-(5.58)=0
We add all the numbers together, and all the variables
2.79(d-5)-5.58=0
We multiply parentheses
2.79d-13.95-5.58=0
We add all the numbers together, and all the variables
2.79d-19.53=0
We move all terms containing d to the left, all other terms to the right
2.79d=19.53
d=19.53/2.79
d=7
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