7-(2-d)=4

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Solution for 7-(2-d)=4 equation: 



7-(2-d)=4

We move all terms to the left:

7-(2-d)-(4)=0

We add all the numbers together, and all the variables

-(-1d+2)+7-4=0

We add all the numbers together, and all the variables

-(-1d+2)+3=0

We get rid of parentheses

1d-2+3=0

We add all the numbers together, and all the variables

d+1=0

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

d=-1

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