a)6
b)3
c)2
d)5
e)4
log₂1/4 = a
2 ᵃ = 1/4
2 ᵃ = 1/2²
2 ᵃ = 2⁻² => a= -2
log (2x-6)=1
2x-6 = 10¹
2x = 16 => x=8
=> a+x = -2+8 = 6 >>
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Verified answer
log₂1/4 = a
2 ᵃ = 1/4
2 ᵃ = 1/2²
2 ᵃ = 2⁻² => a= -2
log (2x-6)=1
2x-6 = 10¹
2x = 16 => x=8
=> a+x = -2+8 = 6 >>