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d/4-2d=1.24
We move all terms to the left:
d/4-2d-(1.24)=0
We add all the numbers together, and all the variables
-2d+d/4-1.24=0
We multiply all the terms by the denominator
-2d*4+d-(1.24)*4=0
We add all the numbers together, and all the variables
d-2d*4-4.96=0
Wy multiply elements
d-8d-4.96=0
We add all the numbers together, and all the variables
-7d-4.96=0
We move all terms containing d to the left, all other terms to the right
-7d=4.96
d=4.96/-7
d=-2.5306122449/3.57142857143
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