1) -3x + 10x = -157x = -15x = -15/7
2) -67x - 5x = 17-72x = 17x = 17/-72
3) -5x - 7x = -35-12x = -35x = -35/-12
4) -2x - 11x = -45-13x = -45x = -45/-13
Ответы:1) x = -15/72) x = 17/-723) x = -35/-124) x = -45/-13
1) -3x + 10x = -15
7x = -15
x = -15/7
2) -67x - 5x = 17
-72x = 17
x = 17/-72
3) -5x - 7x = -35
-12x = -35
x = -35/-12
4) -2x - 11x = -45
-13x = -45
x = -45/-13
Ответы:
1) x = -15/7
2) x = 17/-72
3) x = -35/-12
4) x = -45/-13