bonjour
[tex]3 x + 8 = 11 - 7 x \\3 x + 7 x = 11 - 8 \\10 x = 3 \\x = 3/10 = 0.3 \\\\[/tex]
Bonjour,
3x+8=11-7x
3x+7x = 11-8
10x = 3
x = 3/10