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65x+30x=400+30x
We move all terms to the left:
65x+30x-(400+30x)=0
We add all the numbers together, and all the variables
65x+30x-(30x+400)=0
We add all the numbers together, and all the variables
95x-(30x+400)=0
We get rid of parentheses
95x-30x-400=0
We add all the numbers together, and all the variables
65x-400=0
We move all terms containing x to the left, all other terms to the right
65x=400
x=400/65
x=6+2/13
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