Write the mixed number as an improper fraction and the improper fraction as a mixed number. 7¾

does anyone know the answer (write the mixed number of the fraction above as an improper fraction and the improper fraction as a mixed number.)

32/4                     7  3/4

Step-by-step explanation:

x = -4

step-by-step explanation:

- 20 - 4(x + 3) = 4x

=> -20 - 4x - 12 = 4x

=> - 32 -4x = 4x

=> -32 = 4x + 4x

=> - 32 = 8x

=> -32/8 = x

=> -4 = x

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answer: d.) the total number of protons and neutrons is 15

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