8x+21=-11

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Solution for 8x+21=-11 equation: 



8x+21=-11

We move all terms to the left:

8x+21-(-11)=0

We add all the numbers together, and all the variables

8x+32=0

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

8x=-32

x=-32/8

x=-4

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