7+1/2x=42

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Solution for 7+1/2x=42 equation: 



7+1/2x=42

We move all terms to the left:

7+1/2x-(42)=0



Domain of the equation: 2x!=0

x!=0/2

x!=0

x∈R



We add all the numbers together, and all the variables

1/2x-35=0

We multiply all the terms by the denominator


-35*2x+1=0

Wy multiply elements

-70x+1=0

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

-70x=-1

x=-1/-70

x=1/70

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