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

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



18-5x+9x=-2(-4x+9)
We move all terms to the left:
18-5x+9x-(-2(-4x+9))=0
We add all the numbers together, and all the variables
4x-(-2(-4x+9))+18=0
We calculate terms in parentheses: -(-2(-4x+9)), so:
-2(-4x+9)
We multiply parentheses
8x-18
Back to the equation:
-(8x-18)
We get rid of parentheses
4x-8x+18+18=0
We add all the numbers together, and all the variables
-4x+36=0
We move all terms containing x to the left, all other terms to the right
-4x=-36
x=-36/-4
x=+9

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