x+21+4x=-3-4x-36

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Solution for x+21+4x=-3-4x-36 equation: 



x+21+4x=-3-4x-36

We move all terms to the left:

x+21+4x-(-3-4x-36)=0

We add all the numbers together, and all the variables

x+4x-(-4x-39)+21=0

We add all the numbers together, and all the variables

5x-(-4x-39)+21=0

We get rid of parentheses

5x+4x+39+21=0

We add all the numbers together, and all the variables

9x+60=0

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

9x=-60

x=-60/9

x=-6+2/3

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