1.2x+7=4.2x-5

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Solution for 1.2x+7=4.2x-5 equation: 



1.2x+7=4.2x-5

We move all terms to the left:

1.2x+7-(4.2x-5)=0

We get rid of parentheses

1.2x-4.2x+5+7=0

We add all the numbers together, and all the variables

-3x+12=0

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

-3x=-12

x=-12/-3

x=+4

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