Question

4. If 8-1 = 2x+3, then x is​

Answer 1

Step-by-step explanation:

Given, 8x−1=2x+3

LHS : 8x−1=23(x−1)

Comparing powers of RHS & LHS

Now 3(x−1)=x+3

⇒3x−3=x+3

⇒2x=6

⇒x=3

Answer 2

$8 - 1 = 2x + 3 \\ 7 = 2x + 3 \\ 2x = 7 - 3 \\ 2x = 4 \\ x = \frac{4}{2} \\ x = 2$