graylily07
graylily07 graylily07
  • 22-09-2020
  • Mathematics
contestada

9a-ab+5b
if a=2 and b=7​

Respuesta :

aeb4 aeb4
  • 22-09-2020

Answer:

39

Step-by-step explanation:

9a=18    ab=14     5b=35

18-14+35=39

Answer Link
maplebar05
maplebar05 maplebar05
  • 22-09-2020

Answer:

39

Step-by-step explanation:

9a-ab+5b

a=2 and b=7

we substitute the variables with their real numbers

9(2)-(2 x 7)+5(7)

from here we just simplify the equation

18-14+35=39

Answer Link

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