Question

Find the value of x in (2¹⁸÷2⁷)=2-4×4x-1​

Answer 1

2^18-7=2^11=2048

so

2048=2-4=-2×4x-1

2048÷2 =4 x-1

1024+1=4x

1025÷4=x

256.25=x