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28=-4/7x
We move all terms to the left:
28-(-4/7x)=0
Domain of the equation: 7x)!=0We get rid of parentheses
x!=0/1
x!=0
x∈R
4/7x+28=0
We multiply all the terms by the denominator
28*7x+4=0
Wy multiply elements
196x+4=0
We move all terms containing x to the left, all other terms to the right
196x=-4
x=-4/196
x=-1/49
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