Question

Answer these please emergency

Answer 1

Answer:

1.

$\frac{2x - 1}{5} = \frac{3x + 1}{3}$

$3(2x - 1) = 5(3x + 1)$

$6x - 3 = 15x + 5$

$- 15x - 6x = - 3 - 5$

$- 21x = - 8$

$x = \frac{8}{21}$

2.

$= ( {2}^{5} + 2 ^{8} ) \times 2 ^{ - 7}$

$= (32 + 256) \times {2}^{ - 7}$

$= (288) \times 2 ^{ - 7}$

$= ( {2}^{5} \times {3}^{2} ) \times {2}^{ - 7}$

$= {2}^{5 - 7} \times 3 ^{2}$

$= 2 ^{ - 2} \times 3 ^{2}$

$= \frac{3 ^{2} }{2 ^{2} }$

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