Question

Помогите
1)4(x-3)=x+6,
2)4-6(x+2)=3-5x,
3)(5x+8)-(8x+14)=9

Answer 1

$1) 4(x-3)=x+6 \ 4x - 12=x+6\4x-x=6+12\3x=18\ underline{x=6} \\ 2) 4-6(x+2)=3-5x\ 4-6x-12=3-5x\ 6x-5x=4-12-3\ underline{x=-11} \\ 3) (5x+8)-(8x+14)=9 \ 5x+8-8x-14=9 \ -3x=9-8+14\-3x=15\3x=-15\ underline{x=-5}$