x + 2(3x - 4) = 53 + 2x
x + 6x - 8 = 53 + 2x
x + 6x - 2x = 53 + 8
5x = 61 / : 5
x = 12,2
[tex]c)\\x + 2(3x-4) = 53 + 2x\\\\x + 6x-8 = 53 + 2x\\\\7x -2x = 53 + 8\\\\5x = 61 \ /:5\\\\x = \frac{61}{5} = 12,2[/tex]
