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-14-72=2+8(-2k-7)
We move all terms to the left:
-14-72-(2+8(-2k-7))=0
We add all the numbers together, and all the variables
-(2+8(-2k-7))-86=0
We calculate terms in parentheses: -(2+8(-2k-7)), so:We get rid of parentheses
2+8(-2k-7)
determiningTheFunctionDomain 8(-2k-7)+2
We multiply parentheses
-16k-56+2
We add all the numbers together, and all the variables
-16k-54
Back to the equation:
-(-16k-54)
16k+54-86=0
We add all the numbers together, and all the variables
16k-32=0
We move all terms containing k to the left, all other terms to the right
16k=32
k=32/16
k=2
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