Question

resolva as equações 7 x -1 = 15 x + 3

Answer 1

7x -1 = 15x + 3
7x-15x= +3+1
-8x= 4 (-1)
8x= -4
x= -4/8
x= -2/4

Answer 2

7x - 1 = 15x + 3

7x -15x = 3 + 1

-8x = 4

x=4/8  simplificando por 4

x= - 1/2