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19=2(x+4)
We move all terms to the left:
19-(2(x+4))=0
We calculate terms in parentheses: -(2(x+4)), so:We get rid of parentheses
2(x+4)
We multiply parentheses
2x+8
Back to the equation:
-(2x+8)
-2x-8+19=0
We add all the numbers together, and all the variables
-2x+11=0
We move all terms containing x to the left, all other terms to the right
-2x=-11
x=-11/-2
x=5+1/2
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