7(-1+7a)=-252

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Solution for 7(-1+7a)=-252 equation: 



7(-1+7a)=-252

We move all terms to the left:

7(-1+7a)-(-252)=0

We add all the numbers together, and all the variables

7(7a-1)-(-252)=0

We add all the numbers together, and all the variables

7(7a-1)+252=0

We multiply parentheses

49a-7+252=0

We add all the numbers together, and all the variables

49a+245=0

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

49a=-245

a=-245/49

a=-5

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