7(2+x)-1=-57

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Solution for 7(2+x)-1=-57 equation: 



7(2+x)-1=-57

We move all terms to the left:

7(2+x)-1-(-57)=0

We add all the numbers together, and all the variables

7(x+2)-1-(-57)=0

We add all the numbers together, and all the variables

7(x+2)+56=0

We multiply parentheses

7x+14+56=0

We add all the numbers together, and all the variables

7x+70=0

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

7x=-70

x=-70/7

x=-10

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