Respuesta :

Answer:

c = 6

Step-by-step explanation:

simplify the expression

[tex]\frac{1}{2}(2x+4) = 3x - c\\2x + 4 = 6x - 2c\\4x = 4 + 2c\\x = \frac{4+2c}{4} \\4 = \frac{4+2c}{4}\\ 16 = 4 + 2c\\2c = 12\\c = 6[/tex]