Click to see the full picture please help I don’t get this

Step-by-step explanation:
[tex] - 3(2x + 4) + 4x = 3x + 10[/tex]
or,
[tex] - 6x - 12 + 4x = 3x + 10[/tex]
or,
[tex] - 12 - 10 = 3x + 6x - 4x[/tex]
or,
[tex] - 22 = 5x[/tex]
or
[tex] - 22 \div 5 = x[/tex]
or
[tex]x = - 22 \div 5 \: \: ans[/tex]