8x+20=-30+42

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Solution for 8x+20=-30+42 equation: 



8x+20=-30+42

We move all terms to the left:

8x+20-(-30+42)=0

We add all the numbers together, and all the variables

8x+20-12=0

We add all the numbers together, and all the variables

8x+8=0

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

8x=-8

x=-8/8

x=-1

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