Question

Giúp mình với:5x-7=(-14)+(-8)

Answer 1

5x - 7 = (-14)+(-8)

5x - 7 = -22

5x = (-22)+7

5x = - 15

x = (-15) : 5

x = -3

vây...............

Answer 2

5x-7=(-14)+(-8)

5x-7=-22

5x=-22+7

5x=-15

x=-15/5=-3

Answer 3

Cảm  ơn

Answer 4

     \(5x-7=\left(-14\right)+\left(-8\right)\)

\(\Rightarrow5x-7=\left(-22\right)\)

\(\Rightarrow5x=\left(-22\right)+7\)

\(\Rightarrow5x=-15\)

\(\Rightarrow x=\left(-15\right):5\)

\(\Rightarrow x=-3\)