7=-d+4

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Solution for 7=-d+4 equation: 



7=-d+4

We move all terms to the left:

7-(-d+4)=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

1d-4+7=0

We add all the numbers together, and all the variables

d+3=0

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

d=-3

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