alexxx72
alexxx72 alexxx72
  • 29-06-2020
  • Mathematics
contestada

Which value of x is different from the others?
a) 5x + 4 = -6
b) x/2 + 3 = 2
c) 2(x + 7) = 10
d) -2 = -x

Respuesta :

09pqr4sT
09pqr4sT 09pqr4sT
  • 29-06-2020

Answer:

d

Step-by-step explanation:

5x + 4 = -6

5x= -6-4

5x=-10

x=-2

The value of the first expression is x=-2.

x/2 + 3 = 2

x/2 = 2-3

x/2 = -1

x=-2

The value of the second expression is x=-2.

2x+14=10

2x=-4

x=-2

The value of the third expression is x=-2.

-2=-x

2=x

The value of the fourth expression is x=2.

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