2(j-1)=10

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Solution for 2(j-1)=10 equation:



2(j-1)=10
We move all terms to the left:
2(j-1)-(10)=0
We multiply parentheses
2j-2-10=0
We add all the numbers together, and all the variables
2j-12=0
We move all terms containing j to the left, all other terms to the right
2j=12
j=12/2
j=6

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