bonjour
[tex]x + 2 = 3 \\x = 3 - 2\\x = 1 \\\\2 x + 5 = 10 \\2 x = 10 - 5 \\2 x = 5 \\x = 5/2 \\\\2 x + 7 = x + 2 \\2 x - x = 2 - 7 \\x = - 5 \\\\5 x + 6 = 3 x - 3 \\5 x - 3 x = - 3 - 6 \\2 x = - 9 \\x = - 9/2 \\\\17 x + 8 = 24 x + 15\\17 x - 24 x = 15 - 8 \\- 17 x = 7 \\x = - 7/17 \\[/tex]
[tex]x/5 = 3/4\\4 x = 15\\x = 15/4 \\\\2 x /7 = 5 /9 \\18 x = 35 \\x = 35/18 \\\\4 x - 28 + 9 x - 9 = 2 \\13 x = 2 + 28 + 9 \\13 x = 39\\x = 39/13 = 3 \\\\5 x - 30 - 3 x - 2 = 3 x + 12 \\2 x - 3 x = 12 + 30 + 2\\- x = 44 \\x = - 44[/tex]
