1=7-2c

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Solution for 1=7-2c equation: 



1=7-2c

We move all terms to the left:

1-(7-2c)=0

We add all the numbers together, and all the variables

-(-2c+7)+1=0

We get rid of parentheses

2c-7+1=0

We add all the numbers together, and all the variables

2c-6=0

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

2c=6

c=6/2

c=3

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