29-03-2016
Mathematics

contestada

afla valoarea lu a:7×a=8×10-31

Respuesta :

BreStrum BreStrum

29-03-2016

7 x a = 8 x 10 - 31
7 x a = 80 - 31
7 x a = 49
a = 49/7
a = 7

Answer Link

olemakpadu olemakpadu

29-03-2016

7*a = 8*10 - 31. We perform the multiplication first.

7a = 80 - 31

7a = 49

a = 49/7

a = 7

lu a = 7

Answer Link

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