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2.5(j+40)=-4
We move all terms to the left:
2.5(j+40)-(-4)=0
We add all the numbers together, and all the variables
2.5(j+40)+4=0
We multiply parentheses
2.5j+100+4=0
We add all the numbers together, and all the variables
2.5j+104=0
We move all terms containing j to the left, all other terms to the right
2.5j=-104
j=-104/2.5
j=-41+1/1.6666666666667
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