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10x+5x/2=75
We move all terms to the left:
10x+5x/2-(75)=0
We multiply all the terms by the denominator
10x*2+5x-75*2=0
We add all the numbers together, and all the variables
5x+10x*2-150=0
Wy multiply elements
5x+20x-150=0
We add all the numbers together, and all the variables
25x-150=0
We move all terms containing x to the left, all other terms to the right
25x=150
x=150/25
x=6
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