7/2x=-42

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Solution for 7/2x=-42 equation:



7/2x=-42
We move all terms to the left:
7/2x-(-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
7/2x+42=0
We multiply all the terms by the denominator
42*2x+7=0
Wy multiply elements
84x+7=0
We move all terms containing x to the left, all other terms to the right
84x=-7
x=-7/84
x=-1/12

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