42=-1/2x

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Solution for 42=-1/2x equation: 



42=-1/2x

We move all terms to the left:

42-(-1/2x)=0



Domain of the equation: 2x)!=0

x!=0/1

x!=0

x∈R



We get rid of parentheses

1/2x+42=0

We multiply all the terms by the denominator


42*2x+1=0

Wy multiply elements

84x+1=0

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

84x=-1

x=-1/84

x=-1/84

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