Question

galerae ajuda com esse exercício
2x/7-4/14=1/2

Answer 1

2x/7-4/14=1/2

4x/14-4/14=7/14

4x=7-4

4x=3

X=3/4

X=0,75

Answer 2

Vamos la

2x/7 - 4/14 = 1/2

2x/7 - 2/7 = 1/2

2x/7 = 1/2 + 2/7

mmc = 14

4x/14 = 7/14 + 4/14

4x = 11

x = 11/4