Question

1.8х=6.12
9х-3х=3
4у+3.2=9.06
срочно

Answer 1

$\displaystyle 1)1,8x=6,12\\1,8x:1,8=6,12:1,8\\x=3,4\\\\2)9x-3x=3\\6x=3\\x=0,5\\\\3)4y+3,2=9,06\\4y=9,06-3,2\\4y=5,86\\y=1,465$