Question

pazeaza:
a) -5x + 1 = 0;
B) 3-9x - 2 = 0;
A) + 6x +7=0;
2) 7-8x=0;​

Answer 1

Ответ:

$- 5x = - 1 \\ x = 0.2 \\ 3 - 9 x - 2 = 0 \\ x = 0.111111$

$6 x + 7 = 0 \\ x = - 7 \div 6 \\ x = 1.166666 \\ 7 - 8x = 0 \\ - 8x = - 7 \\ x = 7 \div 8 \\ x = 0.875$