-42.12=-7.8x

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Solution for -42.12=-7.8x equation: 



-42.12=-7.8x

We move all terms to the left:

-42.12-(-7.8x)=0

We get rid of parentheses

7.8x-42.12=0

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

7.8x=42.12

x=42.12/7.8

x=5+2.7857142857143/6.9642857142857

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