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4x-2x+x/2=30
We move all terms to the left:
4x-2x+x/2-(30)=0
We add all the numbers together, and all the variables
2x+x/2-30=0
We multiply all the terms by the denominator
2x*2+x-30*2=0
We add all the numbers together, and all the variables
x+2x*2-60=0
Wy multiply elements
x+4x-60=0
We add all the numbers together, and all the variables
5x-60=0
We move all terms containing x to the left, all other terms to the right
5x=60
x=60/5
x=12
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