-5x-13=-x-21

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Solution for -5x-13=-x-21 equation: 



-5x-13=-x-21

We move all terms to the left:

-5x-13-(-x-21)=0

We add all the numbers together, and all the variables

-5x-(-1x-21)-13=0

We get rid of parentheses

-5x+1x+21-13=0

We add all the numbers together, and all the variables

-4x+8=0

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

-4x=-8

x=-8/-4

x=+2

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