1.−5(4x−4)=−4−18(x−8)−20x =−4 +144−20x x=−4 +144 x= x =2.E=8n+71. n=(7−E)⋅82. n=(E−7)⋅8

Question

Математика: 1.−5(4x−4)=−4−18(x−8)−20x =−4 +144−20x x=−4 +144 x= x =2.E=8n+71. n=(7−E)⋅82. n=(E−7)⋅8

Лизок2020 · Answer

Пошаговое объяснение:1.-5(4x-4)=-4-18(x-8)-20x+20=-4-18x+144-2x=120x=120/(-2)=-602.E=8n+78n=E-7n=(E-7)/8...

1.

−5(4x−4)=−4−18(x−8)

−20x =−4 +144

−20x x=−4 +144

x=

x =

2.

E=8n+7

1. n=(7−E)⋅8

2. n=(E−7)⋅8