7-x/4.2=3.5

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Solution for 7-x/4.2=3.5 equation: 



7-x/4.2=3.5

We move all terms to the left:

7-x/4.2-(3.5)=0

We add all the numbers together, and all the variables

-x/4.2+3.5=0

We multiply all the terms by the denominator


-x+(3.5)*4.2=0

We add all the numbers together, and all the variables

-1x+14.7=0

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

-x=-14.7

x=-14.7/-1

x=14+0.7/1

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