ramose4367
ramose4367 ramose4367
  • 21-03-2017
  • Mathematics
contestada

please help I'll give brainliest

solve -2/5g + 2=10

a. 30
b. -30
c. -20
d. 20

Respuesta :

Kiyo
Kiyo Kiyo
  • 21-03-2017
I am positive it is C. -20
Answer Link
bcalle
bcalle bcalle
  • 21-03-2017
-2/5 g + 2 = 10
you first need to move the 2 so subtract 2 from both sides
-2/5 g = 8
to clear the fraction in front of the variable, multiply by the reciprocal.
The reciprocal of (-2/5) is (-5/2)
(-5/2)(-2/5) g = 8(-5/2)
g = -20

CHECK
(-2/5)(-20)  + 2 =
40/5  + 2 = 8 + 2 = 10
Answer Link

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