Question

8x-1 _ 2x=3
2

X-X=3
4 6

Answer 1

Resposta:

Explicação passo a passo:

A)

(8x-1)/2 - 2x = 3

[(8x-1) - 2.2x]/2 = 2.3/2

8x - 1 - 4x = 6

4x = 6 + 1

4x = 7

x = 7/4

B)

x/4 - x/6 = 3

Mmc (4,6)= 12

(3x - 2x)/12 = 12.3/12

x = 36