Question

3(1-х)+5(х+2)=1-4х решите уравнение

Answer 1

3(1-х)+5(х+2)=1-4х 
3 - 3x + 5x + 10 = 1 - 4x
13 + 2x = 1 - 4x
2x + 4x = 1 - 13
6x = -12
x = -12 : 6
x = -2

Answer 2

3-3х+5х+10=1-4х
-3х+5х+4х=1-3-10
6х=-12
х=-2
Ответ: х=-2.