Question

qual a resposta dessa matemática

Answer 1

A) x-3=5

x= 5+3

x=8

C) 6x -4 = 2x + 8

6x -2x = 8+4

4x= 12

x=12/4

x=3

e) 0=x + 12

-x = 12 (-1)

x=12

g) -3 = x + 10

-x = 10+3

-x=13 (-1)

x=13

i)5x +6x -16 = 3x + 2x -4

5x + 6x -3x -2x= -4 + 16

6x= 12

x = 12/6

x= 2