3.3 Solve logarithmic equations

log₅(4x-7)=log₅(x+5)

• 3
• 12
• 4
• 7

Solve for x:
log₄ x = 3

• 4
• 12
• 32
• 64

Tags

CCSS.HSF.BF.B.5

log(x+6)-log(x) =log(20)

• 1/135
• 27/4
• No solution
• 6/19

log(2x) - log(5) = log(30)

• 6/5
• 45/2
• 75
• -3/8

log(4x) - log(4) = log(12)

• 12
• 4
• 10
• 100

log₇(x²+8) - log₇8 = log₇33

• 2, -2
• 16,-16
• 1, -1
• No Solution

log₂(x + 2) + log₂x  = 3

• -4, 2
• -2, 4
• 2
• 1

log₅(4x-7)=log₅(x+5)

• 3
• 12
• 4
• 7

Solve

• A
• B
• C
• D

• no solution
• only 6
• 6 and -2
• 3