4.2+8x=45

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Solution for 4.2+8x=45 equation: 



4.2+8x=45

We move all terms to the left:

4.2+8x-(45)=0

We add all the numbers together, and all the variables

8x-40.8=0

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

8x=40.8

x=40.8/8

x=5+0.8/8

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