-7.5=x/4.2

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Solution for -7.5=x/4.2 equation: 



-7.5=x/4.2

We move all terms to the left:

-7.5-(x/4.2)=0

We add all the numbers together, and all the variables

-(+x/4.2)-7.5=0

We get rid of parentheses

-x/4.2-7.5=0

We multiply all the terms by the denominator


-x-(7.5)*4.2=0

We add all the numbers together, and all the variables

-1x-31.5=0

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

-x=31.5

x=31.5/-1

x=-31+0.5/1

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