4+2x=12.5

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Solution for 4+2x=12.5 equation: 



4+2x=12.5

We move all terms to the left:

4+2x-(12.5)=0

We add all the numbers together, and all the variables

2x-8.5=0

We move all terms containing x to the left, all other terms to the right

2x=8.5

x=8.5/2

x=4+0.5/2

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