Question

qnt e 2x/5-4=7x-8 me ajudem

Answer 1

2x - 4 = 7x - 8
 5

2x - 4 + 8 = 7x
5

2x + 4 = 7x
 5

mmc = 5

2x + 20 = 35x
     5         5

2x + 20 = 35x
20 = 35x - 2x
20 = 33x
33x = 20
x = 20
      33