3.5+0.5x=12

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Solution for 3.5+0.5x=12 equation: 



3.5+0.5x=12

We move all terms to the left:

3.5+0.5x-(12)=0

We add all the numbers together, and all the variables

0.5x-8.5=0

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

0.5x=8.5

x=8.5/0.5

x=17

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