100+5=50+7d

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Solution for 100+5=50+7d equation: 



100+5=50+7d

We move all terms to the left:

100+5-(50+7d)=0

We add all the numbers together, and all the variables

-(7d+50)+100+5=0

We add all the numbers together, and all the variables

-(7d+50)+105=0

We get rid of parentheses

-7d-50+105=0

We add all the numbers together, and all the variables

-7d+55=0

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

-7d=-55

d=-55/-7

d=7+6/7

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