Question

1. Calcule x, sabendo que a//b//c.

Answer 1

a) 2x - 2\4 = 3x + 1\7
14x - 14 = 12x + 4
14x - 12x = 4 + 14
2x = 18
x = 18\2 → x = 9

b) 6\x = 4\1,8
4x = 10,8
x = 10,8\4
x = 2,7