kluv2you
kluv2you kluv2you
  • 10-11-2019
  • Mathematics
contestada

help.Solve 5x + 3 = -7

A. -2

B. -0.8


c. 2

D.-20​

Respuesta :

rafa5039
rafa5039 rafa5039
  • 10-11-2019
The answer Is A -2 :)
Answer Link
Аноним Аноним
  • 10-11-2019

5x + 3 = -7

move -3 to the other side

sign changes from -3 to +3

5x+3-3= -7-3

5x= -10

divide both sides by 5 to get x by itself

5x/5= -10/5

cross out 5 and 5, divide by 5 and then becomes 1*1*x= x

x= -10/5

x= -2

answer:

A. -2

Answer Link

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