3d+12=20+d=

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Solution for 3d+12=20+d= equation: 



3d+12=20+d=

We move all terms to the left:

3d+12-(20+d)=0

We add all the numbers together, and all the variables

3d-(d+20)+12=0

We get rid of parentheses

3d-d-20+12=0

We add all the numbers together, and all the variables

2d-8=0

We move all terms containing d to the left, all other terms to the right

2d=8

d=8/2

d=4

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