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-4(2x+5)=2(-x-9)
We move all terms to the left:
-4(2x+5)-(2(-x-9))=0
We add all the numbers together, and all the variables
-4(2x+5)-(2(-1x-9))=0
We multiply parentheses
-8x-(2(-1x-9))-20=0
We calculate terms in parentheses: -(2(-1x-9)), so:We get rid of parentheses
2(-1x-9)
We multiply parentheses
-2x-18
Back to the equation:
-(-2x-18)
-8x+2x+18-20=0
We add all the numbers together, and all the variables
-6x-2=0
We move all terms containing x to the left, all other terms to the right
-6x=2
x=2/-6
x=-1/3
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