7(x)=-2x-1

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



7(x)=-2x-1

We move all terms to the left:

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

We get rid of parentheses

7x+2x+1=0

We add all the numbers together, and all the variables

9x+1=0

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

9x=-1

x=-1/9

x=-1/9

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