Solving Log Equations

Log=Log Equations

100

log5x=log(2x+9)

x=3

200

log (10-4x) = log (10-3x)

x=0

300

log (-2a+9) = log (7-4a)

a= -1

400

log (16+2b) = log (b²-4b)

b = 8, -2

500

ln (n²+12) = ln (-9n-2)

n = -2, -7

Log=Number Equations

100

log(x) + log(8) = 2

x = 100/8 = 25/2

200

log(-m) +2 = 4

m = -100

300

-6 log₃(x-3) = -24

x = 84

400

-10 + log₃(n+3)= -10

 n = -2

500

-2log₅(7x)=2

x= 1/35

Log=Log Equations

100

logx + log7 = log37

x = 37/7

200

log (4k-5) = log (2k-1)

k=2

300

log (4p-2) = log (-5p+5)

p= 7/9

400

log₉(-11x+2) = log₉(x²+30)

x = -7, -4

500

log₁₂(v² + 35) = log₁₂(-12v-1)

v = -6

Log=Number Equations

100

logx - log2 = 1

x = 20

200

log x + log 7 = log 37

x = 37/7

300

2log₇(-2r) = 0

r = -1/2

400

log₈2 + log₈4x² = 1

x = 1, -1

500

log₅6 + log₅2x² = log₅48

x = 2, -2

Logarithm Fun :)

100

3^-2x+1 * 3^-2x-3 = 3^-x

x = -2/3

200

4log₃u- 20log₃v

log₃(u⁴/v²⁰)

300

10^-3x * 10^x = 1/10

x = 1/2

400

2^x * 1/32 = 32

x = 10

500

64 * 16^-3x = 16^3x-2

x = 7/12