Respuesta :

Yang100

Answer:

-9/4

Step-by-step explanation:

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

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

3/4+x=-3/2

x=-3/2-3/4

x=-6/4-3/4

x=-9/4

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Tasyha

Answer:

x = -1

Step-by-step explanation:

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

4(1/4x + 1/2 + x) = 4 × (-3/4)

4 × 1/4x + 4 × 1/2 + 4x = -3

x + 4 × 1/2 + 4x = -3

x + 2 + 4x = -3

5x + 2 = -3

5x = -3 - 2

5x = -5

x = -5 ÷ 5

x = -1