1.2+0.5x=4.2

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Solution for 1.2+0.5x=4.2 equation: 



1.2+0.5x=4.2

We move all terms to the left:

1.2+0.5x-(4.2)=0

We add all the numbers together, and all the variables

0.5x-3=0

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

0.5x=3

x=3/0.5

x=6

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