j/2-(-15)=21

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Solution for j/2-(-15)=21 equation: 



j/2-(-15)=21

We move all terms to the left:

j/2-(-15)-(21)=0

determiningTheFunctionDomain
j/2-21-(-15)=0

We add all the numbers together, and all the variables

j/2-6=0

We multiply all the terms by the denominator


j-6*2=0

We add all the numbers together, and all the variables

j-12=0

We move all terms containing j to the left, all other terms to the right

j=12

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