Question

ПОМОГИТЕ ПОЖАЛУЙСТА
Решите уравнение :
1.(4-х)+2(х-3)=-13
2.-3(3х+1)-12=12

Answer 1

1)(4-х)+2(х-3)=-13
4-х+2х-6=-13
х=-13+2
х=-11
2)-3(3х+1)-12=12
-9х-3-12=12
-9х=12+15
-9х=27
х=27:(-9)
х=-3

Answer 2

$1.(4 - x )+ 2(x - 3) = - 13 \\ 4 - x + 2x - 6 = - 13 \\ - x + 2x = - 13 + 6 - 4 \\ x = - 11$


$2. - 3(3x + 1) - 12 = 12 \\ - 9x - 3 - 12 = 12 \\ - 9x = 12 + 12 + 3 \\ - 9x = 27 \\ x = 27 \div( - 9) \\ x = - 3$