Question

Resolva: x+3\x+2=4\5, x-2\x+5=1\8

Answer 1

x+3\x+2=4/5

5(x + 3) = 4(x +2)

5x + 15 = 4x + 8

5x - 4x = 8 - 15

x = - 7

x-2\x+5=1\8

8(x - 2) = x + 5

8x - 16 = x = 5

8x - x = 5 + 16

7x = 21

x = 21/7        x = 3