2d-5=-d+7

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Solution for 2d-5=-d+7 equation: 



2d-5=-d+7

We move all terms to the left:

2d-5-(-d+7)=0

We add all the numbers together, and all the variables

2d-(-1d+7)-5=0

We get rid of parentheses

2d+1d-7-5=0

We add all the numbers together, and all the variables

3d-12=0

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

3d=12

d=12/3

d=4

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