6(x+-1)+-1x=-21

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Solution for 6(x+-1)+-1x=-21 equation: 



6(x+-1)+-1x=-21

We move all terms to the left:

6(x+-1)+-1x-(-21)=0

We add all the numbers together, and all the variables

6(x-1)-1x+-(-21)=0

We add all the numbers together, and all the variables

-1x+6(x-1)+21=0

We multiply parentheses

-1x+6x-6+21=0

We add all the numbers together, and all the variables

5x+15=0

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

5x=-15

x=-15/5

x=-3

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