Question

3×-1/5=4 pfvr me ajudem preciso pra hj agora ✌

Answer 1

Resposta:

$3x - \frac{1}{5} = 4\\15x - 1 = 20\\15x = 20 + 1\\15x = 21\\x = \frac{21}{15} \\x = \frac{21 : 3}{15 : 3} \\\\\ x = \frac{7}{5}$