Question 442312
I assume this is 7e^(4x+1) = 28?

divide by 7 on both sides gives you:  e^(4x+1) = 4

we will use the natural log function on both sides.   ln(e^(4x+1)) = ln(4)

simplify   4x+1 = ln(4)

solve for x :    {{{x = (ln(4) -1)/4}}}