Question

 Resolva as seguintes equações :
4-t+5=16+6t

Answer 1

4-t+5=16+6t
- t - 6t = 16 -5 -4
- 7t = 7 (-1)
   7t = - 7 ---> t = -1

$\frac{3x}{2}+ \frac{1}{5}= \frac{x}{4}$ --->mmc(2,4,5) =20

$10(3x)+4.(1)=5x --> 30x+4=5x-->30x-5x=-4$

$25x=-4--> x=- \frac{4}{25}$