kayla6923 kayla6923
  • 23-09-2019
  • Mathematics
contestada

4a – 16 = a - 15 how do I solve ​

Respuesta :

kiuske
kiuske kiuske
  • 23-09-2019

Answer:

a = [tex]\frac{1}{3}[/tex]

Step-by-step explanation:

4a -16 = a - 15

both left and right -a

then

4a - 16 -a = a - 15 -a

then

4a -a -16 = a -a -15

then

3a -16 = -15

both left and right + 16

then

3a -16 + 16 = -15 + 16

then

3a = 1

both left and right ÷3

then

3a ÷ 3 =1 ÷ 3

then

a = [tex]\frac{1}{3}[/tex]

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