Question

Q. 13 pls its very urgent ...I m offering 50 points

Answer 1

Answer:

Step-by-step explanation:

⇒2⁽ˣ⁺³⁾= 4⁽ˣ⁻¹⁾

⇒2⁽ˣ⁺³⁾= 2²⁽ˣ⁻¹⁾

⇒2²=4

⇒ powers are equal

⇒x+3=2(x-1)

⇒x+3=2x-2

⇒2x-x=2+3

⇒x=5

Answer 2

Answer:

Step-by-step explanation:

2^x+3=4^x-1

4^x-1=2^2(x-1)=2^2x-2

2^x+3=2^2x-2

x+3=2x-2

x=5