Question

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Answer 1

Answer:

34)

1. 2x+3= 0. x=(-3/2)

2.(13) ^√x= 169. so √x = 2 and x = 4

3. (x+1) /2 = -3. so x= -7

4.

$\frac{4}{3} x + \frac{2 }{6} = - 5$

so x = -(8/2) = -4

35)

1. (1-2x) = -1/2. so x = 3/4

2. (2x-2) +(2x-3) = -3x

so 7x = 1 ... x=1/7

36) 3x= 3 .... so x = 1

y= -3

37)

$\frac{ {3}^{3n + 2} - {3}^{3} }{8. {3}^{3m} } = {3}^{ - 3}$

solve further and prove

38) 4x=-4. x = -1

1/y= -4 . y= -1/4

2^(1). 16^ (-1/4) = 2/2 = 1.

39) x+1 = 2x-4. x= 5

2^(1+x) = 2^6 = 64

40)

2. x= 2+y ........... (1)

3+y = 2x..........(2)

solving x = 1 y = -1

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