n *67=6432
n =6432/67
n =96
510-9y=438
-9y=438-510
-9y=-72
y=-72/-9
у=8
5x+2,3=3,8
5x=3,8-2,3
5x=1.5
x=1.5/5
х=0,3
m+m=72
2m=72
m=72/2
m=36
n *67=6432
n =6432/67
n =96
510-9y=438
-9y=438-510
-9y=-72
y=-72/-9
у=8
5x+2,3=3,8
5x=3,8-2,3
5x=1.5
x=1.5/5
х=0,3
m+m=72
2m=72
m=72/2
m=36