SOLUTION: Solve the exponential equation. 2x = 1/2 3x = 1/27 2-x = 16 4x = 0.5 8x = 1/4

Question 620588: Solve the exponential equation.
2x = 1/2
3x = 1/27
2-x = 16
4x = 0.5
8x = 1/4
Found 2 solutions by Alan3354, lynnlo:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Solve the exponential equation.
2x = 1/2
If x is the exponent:
Use ^ for exponents.
2^x = 1/2
x = -1 by inspection.
The long way:
x*log(2) = log(1/2)
x = log(1/2)/log(2)
x = -1
=====================
Do the others the same way.
3x = 1/27
2-x = 16
4x = 0.5
8x = 1/4
Answer by lynnlo(4176) (Show Source): You can put this solution on YOUR website!
(1)1/4
(2)1/81
(3)-14
(4)0.125
(5)1/32
RELATED QUESTIONS
Can you please help me solve this absolute value inequality?? :) | 2x + 1 | + | x - 4 |... (answered by solver91311,richard1234)
exponential equations 4^3x-3=8^4x-4, 9^-X-5=27^6x-10, 125^3x-4=25^4x+2,... (answered by ewatrrr)
solve the exponential equation... (answered by stanbon)
Hi to all, please help me solve these following equations with solution: How many... (answered by ewatrrr)
Solve x in the following exponential notation {{{9^(x-1) *... (answered by lwsshak3)
Please help me to solve this equation 5= (4x+1) 2 (3x+1) (3x+1) = 0 7 (2x - 1) (answered by Alan3354)
Solve the following exponential equations: a) 7^x=49 b) 243 = 9^2x+1 c) 2^2x * 4^4x +8 (answered by ewatrrr,lwsshak3)
Solve the following systems of equations and state if any lines are parallel 1. y +... (answered by math-vortex)
Solve by completing the square and quadratic formula: 1.) 3x^2+8x+5=0 2.)... (answered by josgarithmetic,MathTherapy)