2(10-x)+9=7x-2(x-4)

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Solution for 2(10-x)+9=7x-2(x-4) equation: 



2(10-x)+9=7x-2(x-4)

We move all terms to the left:

2(10-x)+9-(7x-2(x-4))=0

We add all the numbers together, and all the variables

2(-1x+10)-(7x-2(x-4))+9=0

We multiply parentheses

-2x-(7x-2(x-4))+20+9=0



We calculate terms in parentheses: -(7x-2(x-4)), so:

7x-2(x-4)

We multiply parentheses

7x-2x+8

We add all the numbers together, and all the variables

5x+8

Back to the equation:

-(5x+8)



We add all the numbers together, and all the variables

-2x-(5x+8)+29=0

We get rid of parentheses

-2x-5x-8+29=0

We add all the numbers together, and all the variables

-7x+21=0

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

-7x=-21

x=-21/-7

x=+3

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