Question

Descubra o valor de X:

B)5× + 3× =8

C)5× -3× +2 =8


D) × + 2× + 3× =42

Answer 1

Resposta:

Explicação passo a passo:

b) 5x + 3x = 8

8x = 8

x = 8/8

x = 1

c) 5x - 3x + 2 = 8

2x = 8 - 2

2x = 6

x = 6/2

x = 3

d) x +2x + 3x = 42

6x = 42

x = 42/6

x = 7