Question

please solve according to class 8​

Answer 1

Answer:

Value of x is -38 in 2x-1

Answer 2

Answer:

Here $-2^3$ × $-2^6$ × $-2 ^2^x^+^1$

As per the laws of exponent

$a^n$ × $a^m$ = $a^m^+^n$

So, 3 + 6 = 2x - 1

⇒ 9 = 2x - 1

⇒  2x = 9 + 1

⇒ 2x = 10

⇒ x = 10/2 = 5