20=-7x+4

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Solution for 20=-7x+4 equation: 



20=-7x+4

We move all terms to the left:

20-(-7x+4)=0

We get rid of parentheses

7x-4+20=0

We add all the numbers together, and all the variables

7x+16=0

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

7x=-16

x=-16/7

x=-2+2/7

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