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0.50x+0.75x=0.3
We move all terms to the left:
0.50x+0.75x-(0.3)=0
We add all the numbers together, and all the variables
1.25x-0.3=0
We move all terms containing x to the left, all other terms to the right
1.25x=0.3
x=0.3/1.25
x=0.3/1.25
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