Question

pls tell me .... pls 5,7,9 question bata do pls... it's very urgent pls... batadoooo pls..... plsssssssssssss​

Answer 1

Answer:

5) - 17/7 7) 5 9) 1

Step-by-step explanation:

5)

2(1 - 6x) - 18 = 1 - 5x

2 - 12x - 18 = 1 - 5x

-16 - 12x = 1 - 5x

-12x + 5x = 1 + 16

-7x = 17

x = - 17/ 7

7)

3y-5/5 -2y + 10 = y-1/2

2(3y-5) - 20y + 100 = 5 (y - 1)

6y - 10 - 20y + 100 = 5y - 5

- 14y + 90 = 5y - 5

- 14y - 5y = -5 - 90

-19y = - 95

y = 5

9)

8/3x - 2/3 - 4x + 1 -3x/2 = x-7/2

16x - 4 - 24x + 3 (1 - 3x) = 3 (x - 7)

16x - 4 - 24x + 3 - 9x = 3x - 21

-17x - 3x = - 21 + 1

-20x = -20

x = 1

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