5(-5a-9)=-220

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Solution for 5(-5a-9)=-220 equation: 


a in (-oo:+oo)

5*(-5*a-9) = -220 // + 220

5*(-5*a-9)+220 = 0

5*(-5*a-9)+220 = 0

175-25*a = 0

175-25*a = 0

175-25*a = 0 // - 175

-25*a = -175 // : -25

a = -175/(-25)

a = 7

a = 7

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