Khalil W.
asked 04/17/20
Exponential equation
e^4x+3 = 21
9^7x-10 = 9^8x-6
2 Answers By Expert Tutors
Patrick B.
answered 04/17/20
Math and computer tutor/teacher
exp(4x) +3 = 21
exp(4x) = 18
4x = ln 18
x = (ln 18)/4
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7x-10 = 8x-6
7x = 8x + 4
0 = x+4
x = -4
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