-(2.1x-9)=-10+1.7(x+10)-4x

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Solution for -(2.1x-9)=-10+1.7(x+10)-4x equation: 



-(2.1x-9)=-10+1.7(x+10)-4x

We move all terms to the left:

-(2.1x-9)-(-10+1.7(x+10)-4x)=0

We get rid of parentheses

-2.1x-(-10+1.7(x+10)-4x)+9=0



We calculate terms in parentheses: -(-10+1.7(x+10)-4x), so:

-10+1.7(x+10)-4x

determiningTheFunctionDomain
1.7(x+10)-4x-10

We add all the numbers together, and all the variables

-4x+1.7(x+10)-10

We multiply parentheses

-4x+1.7x+17-10

We add all the numbers together, and all the variables

-2.3x+7

Back to the equation:

-(-2.3x+7)



We get rid of parentheses

-2.1x+2.3x-7+9=0

We add all the numbers together, and all the variables

0.2x+2=0

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

0.2x=-2

x=-2/0.2

x=-10

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