(0.8-x)/1.5=4.2

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Solution for (0.8-x)/1.5=4.2 equation: 



(0.8-x)/1.5=4.2

We move all terms to the left:

(0.8-x)/1.5-(4.2)=0

We add all the numbers together, and all the variables

(-1x+0.8)/1.5-(4.2)=0

We add all the numbers together, and all the variables

(-1x+0.8)/1.5-4.2=0

We multiply all the terms by the denominator


(-1x+0.8)-(4.2)*1.5=0

We add all the numbers together, and all the variables

(-1x+0.8)-6.3=0

We get rid of parentheses

-1x+0.8-6.3=0

We add all the numbers together, and all the variables

-1x-5.5=0

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

-x=5.5

x=5.5/-1

x=-5+0.5/1

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