Solving Exponentials with Like Bases

Solve for x using the same base method.
3^x-20 = 27

• 17
• 27
• -7
• 23

Solve: 2^x = 4^x+1

• -2
• 2
• -3
• 3

Solve 8 = 2^5x+7

• x = ⅘
• x = ¼
• x = -⅘
• x = -¼

Tags

CCSS.HSF.LE.A.4

Solve 256 = 16^5x+7

Solve 3²⁶ = 3^{4x + 2}

• x = 6

• x = 5

• x = 3

• x = -4

27^2x = 3^x-7

• -7/3
• -1
• -5/7
• -7/5

Solve: 9^8-x = 27^x-3

• x = 5

• x = -5

• x = 1/5

• x = -1/5

• -5

• 2

• 3

• 5

When solving exponential equations, you must first get like _______?

• bases

• expopnents

• 1/2

• 1

• -1

• 2