Question

20x-4=5x



5-5x-2x+1=-6+3x

Answer 1

Resposta:

20x - 4 = 5x

20x - 5x = 4

15x = 4

x = 4 ÷ 15

x = 4/15

5 - 5x - 2x + 1 = - 6 + 3x

6 - 7x = - 6 + 3x

- 7x - 3x = - 6 - 6

- 10x = - 12

x = - 12 ÷ (- 10)

x = 12 ÷ 10

x = 12/10

x = 12÷2/10÷2

x = 6/5

Espero ter ajudado!!!

Answer 2

20x-4=5x

• 20x-5x=4

• 15x=4

• X=4/15

X=0,26666etc...

5-5x-2x+1=-6+3x

• -5x-2x-3x= -6-1-5

• -10x= -12 (-1)

• 10x= 12

• X=12/10

X=1,2

Espero ter ajudado...