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4x+5/2=12.5
We move all terms to the left:
4x+5/2-(12.5)=0
We add all the numbers together, and all the variables
4x-12.5+5/2=0
We multiply all the terms by the denominator
4x*2+5-(12.5)*2=0
We add all the numbers together, and all the variables
4x*2-20=0
Wy multiply elements
8x-20=0
We move all terms containing x to the left, all other terms to the right
8x=20
x=20/8
x=2+1/2
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