2(x-5)+8=21-x

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Solution for 2(x-5)+8=21-x equation: 



2(x-5)+8=21-x

We move all terms to the left:

2(x-5)+8-(21-x)=0

We add all the numbers together, and all the variables

2(x-5)-(-1x+21)+8=0

We multiply parentheses

2x-(-1x+21)-10+8=0

We get rid of parentheses

2x+1x-21-10+8=0

We add all the numbers together, and all the variables

3x-23=0

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

3x=23

x=23/3

x=7+2/3

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