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janwesley3

janwesley3

04.07.2019 •

Mathematics

13. 11 = 2b +17 14. 5 = 4a -7 16. 2g - 3= -19 17. 16 = 5x - 9 19. 5 + y/8 = -3 20. 3 - 8c = 35 22. - 1/2x - 7 = -11 23. 15 - w/4 = 28

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Ответ:

ptrlvn01

11.03.2022

$13.\ 2b+17=11\qquad|-17\\\\2b=-6\qquad|:2\\\\\boxed{b=-3}\\\\14.\ 4a-7=5\qquad|+7\\\\4a=12\qquad|:4\\\\\boxed{a=3}\\\\16.\ 2g-3=-19\qquad|+3\\\\2g=-16\qquad|:2\\\\\boxed{g=-8}\\\\17.\ 5x-9=16\qquad|+9\\\\5x=25\qquad|:5\\\\\boxed{x=5}\\\\19.\ 5+\dfrac{y}{8}=-3\qquad|-5\\\\\dfrac{y}{8}=-8\qquad|\cdot8\\\\\boxed{y=-64}$

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Ответ:

delincuent5641

25.09.2021

answer:

true

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