Решите уравнения:
1). 2(x+2) - 4(x-3) = 5x + 9
2). 2(х-3)-4(x+1) = 5x - 38
3). 4/7x + 1 3/7 = 6/7x - 5 5/7

Все уравнения решены неверно

1. (2x+4)-(4x-12)=5x+9 2x+4x-5x=9+12-4 x=182. (2x-6)-(4x+4)=5x-38 2x+4x-5x=-38+6-4 x=-363. 4/7x- 6/7x=-5 5/7 - 1 3/7 -2/7x=4 2/7/-2/7 x=4

1) 2(x+2) - 4(x-3) = 5x + 9 2x + 4 - 4x + 12 = 5x + 9 2x - 4x - 5x = 9 - 4 - 12 -7x = -7 x = 12) 2(x-3) - 4(x+1) = 5x - 38 2x - 6 - 4x - 4 = 5x - 38 2x - 4x - 5x = -38 + 6 + 4 -7x = -28 x = 43) 4/7x + 1 3/7 = 6/7x - 5 5/7 4/7x - 6/7x = -5 5/7 - 1 3/7 -2/7x = -7 1/7 x = 25