-7(j-9)=-21

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Solution for -7(j-9)=-21 equation:



-7(j-9)=-21
We move all terms to the left:
-7(j-9)-(-21)=0
We add all the numbers together, and all the variables
-7(j-9)+21=0
We multiply parentheses
-7j+63+21=0
We add all the numbers together, and all the variables
-7j+84=0
We move all terms containing j to the left, all other terms to the right
-7j=-84
j=-84/-7
j=+12

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