4=4(k+18)-(-4)

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Solution for 4=4(k+18)-(-4) equation:



4=4(k+18)-(-4)
We move all terms to the left:
4-(4(k+18)-(-4))=0
We calculate terms in parentheses: -(4(k+18)-(-4)), so:
4(k+18)-(-4)
We add all the numbers together, and all the variables
4(k+18)+4
We multiply parentheses
4k+72+4
We add all the numbers together, and all the variables
4k+76
Back to the equation:
-(4k+76)
We get rid of parentheses
-4k-76+4=0
We add all the numbers together, and all the variables
-4k-72=0
We move all terms containing k to the left, all other terms to the right
-4k=72
k=72/-4
k=-18

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