-7=-d/2-3

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Solution for -7=-d/2-3 equation: 



-7=-d/2-3

We move all terms to the left:

-7-(-d/2-3)=0

We get rid of parentheses

d/2+3-7=0

We multiply all the terms by the denominator


d+3*2-7*2=0

We add all the numbers together, and all the variables

d-8=0

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

d=8

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