Question

Se (x-y) = -15 e (5b+1) = 11, calcule 5bx+x-5by-y

Answer 1

Olá Gabriela

x - y = -15 

5b + 1 = 11
5b = 10

5bx - 5by + x - y = 5b*(x - y) + x - y = 10*(-15) - 15 = -165 

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