7t=-21/2*t

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Solution for 7t=-21/2*t equation: 



7t=-21/2t

We move all terms to the left:

7t-(-21/2t)=0



Domain of the equation: 2t)!=0

t!=0/1

t!=0

t∈R



We get rid of parentheses

7t+21/2t=0

We multiply all the terms by the denominator


7t*2t+21=0

Wy multiply elements

14t^2+21=0

a = 14; b = 0; c = +21;
Δ = b2-4ac
Δ = 02-4·14·21
Δ = -1176
Delta is less than zero, so there is no solution for the equation

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