1.2+d+0.4=9

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Solution for 1.2+d+0.4=9 equation:



1.2+d+0.4=9
We move all terms to the left:
1.2+d+0.4-(9)=0
We add all the numbers together, and all the variables
d-7.4=0
We move all terms containing d to the left, all other terms to the right
d=7.4

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