graylily07 graylily07

22-09-2020
Mathematics

contestada

9a-ab+5b
if a=2 and b=7

Respuesta :

22-09-2020

Answer:

39

Step-by-step explanation:

9a=18 ab=14 5b=35

18-14+35=39

Answer Link

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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