Question

1) 2^3y=16^y-2
a)8
b)4
c)2
d)1
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Answer 1

answer is option d)1

Step-by-step explanation:

3y=y-2

3y-y=-2

2y=2

y=1

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Answer 2

Answer:

Option (c) 2

Step-by-step explanation:

${2}^{3y} = {16}^{y-2} \\</p><p>{2}^{3y} = {2}^4{y-2}\\</p><p>Since, \: base\: is\: equal\: over\: here\\</p><p>\therefore \: we \: will \: now \: equate \: only \: the \: exponents \\</p><p>3y = 4y-2 \\</p><p>-y = -2\\</p><p>\boxed{y = 2}$