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1x=42-7x
We move all terms to the left:
1x-(42-7x)=0
We add all the numbers together, and all the variables
1x-(-7x+42)=0
We add all the numbers together, and all the variables
x-(-7x+42)=0
We get rid of parentheses
x+7x-42=0
We add all the numbers together, and all the variables
8x-42=0
We move all terms containing x to the left, all other terms to the right
8x=42
x=42/8
x=5+1/4
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