The first one is -763.1 and the second one is -24
19. -x-2 = 2/3x + 3
5/3 x + 3 = -2
5/3x = -5
x = -3
20. none are correct, you can double check me by plugging in the x and y values in the coordanates into the first problem none of them worked out in the first equasion so no need to test the second
21. -3 is the answer, capable of being done by using desmos
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Answer:
ANSWER-) 3 litres =3000ml
capacity of 1 tube =75ml
NO. OF TOOTH PASTE REQUIRED = 3000/75=40 tubes.
