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jasenka [17]
3 years ago
8

12=3x-6

Mathematics
2 answers:
Romashka-Z-Leto [24]3 years ago
8 0

Answer:

12=3x-6 is 6

16=4x+8 is 2

4z+8=40 is 8

5x-7=38 is 9

-3x-9=24 is -11

Step-by-step explanation:

for 12=3x-6 you would get x by itself so first you add the 6 to the 12

you get 18 then you try to get the x by itself so you divide 3x by 3 and divide 18 by 3 as well. So you end up with 6=x. Repeat with every problem

Montano1993 [528]3 years ago
7 0

Answer: 1 is b

2 is c

3 is c

4 is d

5 is b

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Responder:

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Explicación paso a paso:

Asumir que:

Edad actual = x

Edad 27 años atrás = x - 27

Edad dentro de 5 años = x + 5

La mitad de la edad de hace 27 años = 1/2 (x - 27)

Cuarto de edad dentro de cinco años = 1/4 (x +5)

0,5 (x - 27) = 0,25 (x + 5)

0.5x - 13.5 = 0.25x + 1.25

0.5x - 0.25x = 1.25 + 13.5

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