Question

помогите решить самое последнее срочно !!!

Answer 1

$1.5x=22.5\\x=\frac{22.5}{1.5}=15$

$3.85/x=1.54\\\frac{3.85}{1.54}=2.5$

$2.38x-0.58x=9.36\\1.8x=9.36\\x=\frac{9.36}{1.8}= 5.2$

$5.3x+12.4x-0.41=4.015\\5.3x+12.4x=4.015+0.41\\17.7x=4.425\\x=\frac{4.425}{17.7} = 0.25$