Question

2x - 4 = 0
x + 5 = 3
3x - 7 = 0
3x - 9 - 6

Answer 1

Resposta:

2x-4=0 --> 2x=4 --> x=4/2 --> x=2

x+5=3 --> x=3-5 --> x= -2

3x-7=0 --> 3x=7 --> x=7/3

3x-9-6 --> 3x-9=6 --> 3x=6+9 --> 3x=15 --> x=15/3 --> x=5