Question

4х-х=8,7 3у+5у=9,6пожалик

Answer 1

 

$4x-x=8,7$

$3x=8,7$

$x=8,7:3$

$x=2,9$

 

 

$3y+5y=9,6$

$8y=9,6$

$y=9,6:8$

$y=1,2$