9x-(3x+4)=-0.5(2x-20)

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Solution for 9x-(3x+4)=-0.5(2x-20) equation: 



9x-(3x+4)=-0.5(2x-20)

We move all terms to the left:

9x-(3x+4)-(-0.5(2x-20))=0

We get rid of parentheses

9x-3x-(-0.5(2x-20))-4=0



We calculate terms in parentheses: -(-0.5(2x-20)), so:

-0.5(2x-20)

We multiply parentheses

-x+10

We add all the numbers together, and all the variables

-1x+10

Back to the equation:

-(-1x+10)



We add all the numbers together, and all the variables

6x-(-1x+10)-4=0

We get rid of parentheses

6x+1x-10-4=0

We add all the numbers together, and all the variables

7x-14=0

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

7x=14

x=14/7

x=2

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