Question

sendo a =-1 quinto, b=0,8 e c=-7 quartos dertemine o valor de -a -b +c

Answer 1

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Ola Millena

a = -1/5
b = 0.8 = 8/10 = 4/5
c = -7/4 

x = -a - b + c = 1/5 - 4/5 - 7/4 

mmc(4,5) = 20

x = 4/20 - 16/20 - 35/20 = -47/20

pronto