Question

resolva a equaçao a seguir 2x-(x-1)=5-(x-3)

Answer 1

2x-(x-1)=5-(x-3)

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

2 x + 1 = 5 + 3

2 x + 1 = 8

2 x = 8 - 1

2 x = 7

x = 7 / 2