9x-(x-4)-3x=2(2.5x-3.5)+18

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Solution for 9x-(x-4)-3x=2(2.5x-3.5)+18 equation: 



9x-(x-4)-3x=2(2.5x-3.5)+18

We move all terms to the left:

9x-(x-4)-3x-(2(2.5x-3.5)+18)=0

We add all the numbers together, and all the variables

6x-(x-4)-(2(2.5x-3.5)+18)=0

We get rid of parentheses

6x-x-(2(2.5x-3.5)+18)+4=0



We calculate terms in parentheses: -(2(2.5x-3.5)+18), so:

2(2.5x-3.5)+18

We multiply parentheses

4x-7+18

We add all the numbers together, and all the variables

4x+11

Back to the equation:

-(4x+11)



We add all the numbers together, and all the variables

5x-(4x+11)+4=0

We get rid of parentheses

5x-4x-11+4=0

We add all the numbers together, and all the variables

x-7=0

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

x=7

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