Respuesta :

Julik
A)
2x-7= -1
2x= -1+7
2x=6
x=6/2
x=3

B)
3x+8=1
3x=1 -8
3x=7
x=7/3
x=2   1/3

C)
1/2x+8=10
1/2x=10-8
1/2x=2
x=2/ (1/2)
x=2×2
x=4

D)
1/2(2x-6)= -6
x-3=-6
x= -6+3
x= -3


Answer: D

Answer:

d

Step-by-step explanation:

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