Question

Решите упав. 2(6х+1,85)-0,7=1,3х

Answer 1

2 (6х + 1,85) - 0,7 = 1,3х
12х + 3,7 - 0,7 = 1,3х
12 - 1,3х = 0,7 - 3,7
10,7х = -3
х =  - $\frac{30}{107}$

Answer 2

2(6x+1.85)-0.7=1.3x
12x+3.7-0.7=1.3x
12x+3=1.3x
12x-1.3x=-3
10.7x=-3
x=-3/10.7≈-0.28