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61x-30x=300-30x
We move all terms to the left:
61x-30x-(300-30x)=0
We add all the numbers together, and all the variables
61x-30x-(-30x+300)=0
We add all the numbers together, and all the variables
31x-(-30x+300)=0
We get rid of parentheses
31x+30x-300=0
We add all the numbers together, and all the variables
61x-300=0
We move all terms containing x to the left, all other terms to the right
61x=300
x=300/61
x=4+56/61
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