18+9x=4(5x+2)-1

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Solution for 18+9x=4(5x+2)-1 equation: 



18+9x=4(5x+2)-1

We move all terms to the left:

18+9x-(4(5x+2)-1)=0



We calculate terms in parentheses: -(4(5x+2)-1), so:

4(5x+2)-1

We multiply parentheses

20x+8-1

We add all the numbers together, and all the variables

20x+7

Back to the equation:

-(20x+7)



We get rid of parentheses

9x-20x-7+18=0

We add all the numbers together, and all the variables

-11x+11=0

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

-11x=-11

x=-11/-11

x=1

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