-1=7a+-50

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Solution for -1=7a+-50 equation: 



-1=7a+-50

We move all terms to the left:

-1-(7a+-50)=0

We add all the numbers together, and all the variables

-(7a-50)-1=0

We get rid of parentheses

-7a+50-1=0

We add all the numbers together, and all the variables

-7a+49=0

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

-7a=-49

a=-49/-7

a=+7

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