1+8x+9=2(-10+x)

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Solution for 1+8x+9=2(-10+x) equation: 



1+8x+9=2(-10+x)

We move all terms to the left:

1+8x+9-(2(-10+x))=0

We add all the numbers together, and all the variables

8x-(2(x-10))+1+9=0

We add all the numbers together, and all the variables

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



We calculate terms in parentheses: -(2(x-10)), so:

2(x-10)

We multiply parentheses

2x-20

Back to the equation:

-(2x-20)



We get rid of parentheses

8x-2x+20+10=0

We add all the numbers together, and all the variables

6x+30=0

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

6x=-30

x=-30/6

x=-5

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