Logarithmic and exponential equations

log₅(4x-7)=log₅(x+5)

• 3
• 12
• 4
• 7

log₉(10)-log₉(x-3) =log₉(72)

• 81/16
• 113/36
• No Solution
• 92/15

log₈(9)-log₈(-4x-2) =log₈(36)

• No Solution
• {-113/80}
• {17/4}
• {-9/16}

log₆-4x-log₆5=log₆70

• 149
• -16/3 
• -175/2
• -47/5

log7+log(x²-4)=log35

• 1, -1
• 2, -2
• 3, -3
• 4, -4

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

• 6/5
• 45/2
• 75
• -3/8

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

• 12
• 4
• 10
• 100

log₄(3x-1)=log₄(2x+3)

• 4

• 3

• 1

• 8

log₂(2) + log₂(8x) = 6

• x = 3
• x = 2
• x = 6
• x = 4

log₆(2x + 3) = 3

• x = 106.5
• x = 100
• x = 16
• x = 50

Tags

CCSS.HSF.BF.B.5