[tex]a)\\3\cdot x + 2 = -19\\\\3x = -19-2\\\\3x = -21 \ \ /:3\\\\x = -7[/tex]
[tex]b)\\6\cdot c -10=14\\\\6c = 14+10\\\\6c = 24 \ \ /:6\\\\c = 4[/tex]
[tex]c)\\8\cdot x + 3 = 43\\\\8x = 43-3\\\\8x= 40 \ \ /:8\\\\x = 5[/tex]
3 * 2 + = -19
x = -7
6 * c - 10 = 14
c = 4
8 * x + 3 = 43
x = 5
Pozdrawiam i liczę na naj :)
