3(x+9)=20-x

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Solution for 3(x+9)=20-x equation: 



3(x+9)=20-x

We move all terms to the left:

3(x+9)-(20-x)=0

We add all the numbers together, and all the variables

3(x+9)-(-1x+20)=0

We multiply parentheses

3x-(-1x+20)+27=0

We get rid of parentheses

3x+1x-20+27=0

We add all the numbers together, and all the variables

4x+7=0

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

4x=-7

x=-7/4

x=-1+3/4

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