Question

Rezolvați ecuația: 54-7(x+2)=3(x+20)​

Answer 1

54-7(x+2)=3(x+20)​

54 -  7 · x + 7 · 2 = 3 · x + 3 · 20

54 - 7x + 14 = 3x + 60

54 + 14 - 60 = 3x + 7x

68 - 60 = 10x

8 = 10x

x = $\frac{8}{10}$

Sper că te-am ajutat!

Succes!

Answer 2

Răspuns:

54-7(x+2)=3(x+20)

54-7x-14=3(x+20)

54-7x-14=3x+60

40-7x=3x+60

40-7x-3x=60

7x-3x=60-40

7x-3x=20

-10x=20 / ÷(-10)

x= -2