1/7x=-21

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Solution for 1/7x=-21 equation:



1/7x=-21
We move all terms to the left:
1/7x-(-21)=0
Domain of the equation: 7x!=0
x!=0/7
x!=0
x∈R
We add all the numbers together, and all the variables
1/7x+21=0
We multiply all the terms by the denominator
21*7x+1=0
Wy multiply elements
147x+1=0
We move all terms containing x to the left, all other terms to the right
147x=-1
x=-1/147
x=-1/147

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