Hw#14 Solving Log Equations

Solve log(x) + log(x+3) = 1

• 5

• -2

• -5

• 2

log₂(x + 2) + log₂x  = 3

• -4, 2

• -2, 4

• 2

• 1

log₅(4x-7)=log₅(x+5)

• 3

• 12

• 4

• 7

• no solution

• only 6

• 6 and -2

• 3

log₂(x² - 6) = log₂(2x+2)

• 4, -2

• No Solution

• 4

• -2

log₂(x+3)=4

• 16

• 13

• 3

• 10

log₈(4x+4)=2

• 15

• 12

• 10

• 3

log₉(x)+log₉(x+2)=log₉(35)

• 5

• -7

• 5, -7

• -7, -13

Solve log₉ (x - 4) + log₉ (x + 1) = log₉ (x + 5) + log₉ (x - 6)

• 17/2

• -9/16

• 13

• -8

log (7x + 2) − log 3 = 1

• x = 11/7

• x = -5/21

• x = 0

• x = 4