7.8=12-1.2x

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Solution for 7.8=12-1.2x equation: 



7.8=12-1.2x

We move all terms to the left:

7.8-(12-1.2x)=0

We add all the numbers together, and all the variables

-(-1.2x+12)+7.8=0

We get rid of parentheses

1.2x-12+7.8=0

We add all the numbers together, and all the variables

1.2x-4.2=0

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

1.2x=4.2

x=4.2/1.2

x=3+0.6/1.2

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