j-7=9-j

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Solution for j-7=9-j equation:



j-7=9-j
We move all terms to the left:
j-7-(9-j)=0
We add all the numbers together, and all the variables
j-(-1j+9)-7=0
We get rid of parentheses
j+1j-9-7=0
We add all the numbers together, and all the variables
2j-16=0
We move all terms containing j to the left, all other terms to the right
2j=16
j=16/2
j=8

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