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Serena3027 Serena3027
  • 17-09-2015
  • Mathematics
Answered

Which equation has solution x = -3?

A2x -7 = -1
B3x + 8 = 1
C1/2x + 8 = 10
D1/2(2x -6) = -6

Verified Answer :

Julik
Julik Julik
  • 17-09-2015

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 Link
27brooksdurham 27brooksdurham
  • 11-05-2022

Answer:

d

Step-by-step explanation:

did the usa test prep

Answer Link

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