Question

решите уравнение (2x+1)/5=1/4

Answer 1

$\frac{2x+1}{5}=\frac{1}{4}\\\\\frac{2x+1}{5}*20=\frac{1}{4}*20\\\\4(2x+1)=5\\\\8x+4=5\\\\8x=1\\\\x=0,125$