а) 3/7x = 2.x = 2.1 * 7 / x = 4.9
б) -14x = x = 7 / -1x = -0.5
в) 9x - 7 = 6x + 19x - 6x = 14 + 3x = 2x = 21 / x = 7
г) 3*(4 - 2x) + 6 = -2x + 12 - 6x + 6 = -2x + -6x - 2x = 4 - 12 - -8x = -1x = (-14) / (-8x = 1.75
а) 3/7x = 2.
x = 2.1 * 7 /
x = 4.9
б) -14x =
x = 7 / -1
x = -0.5
в) 9x - 7 = 6x + 1
9x - 6x = 14 +
3x = 2
x = 21 /
x = 7
г) 3*(4 - 2x) + 6 = -2x +
12 - 6x + 6 = -2x +
-6x - 2x = 4 - 12 -
-8x = -1
x = (-14) / (-8
x = 1.75