Question

Me ajudem pfv
1)
2)
3)
​

Answer 1

Resposta:

1) C; 2) B; 3) D;

Explicação passo-a-passo:

1) 5x + 10 = 3x + 30

5x - 3x = 30 - 10

2x = 20

x = 20/2

x = 10

2)20x + 10 = 6x + 80

20x - 6x = 80 - 10

14x = 70

x = 70/14

x = 5

3) 9x + 20 = 5x + 48

9x - 5x = 48 - 20

4x = 28

x = 28/4

x = 7

Answer 2

1/C 2/B 3/D



Espero ter ajudado