Odpowiedź :
|2x+6| + |3x+9| = 10
|2 * (x+3)| + |3 * (x+3)| = 10
|2| * |x + 3| + |3| * |x + 3| = 10
2 * |x + 3| + 3 * |x + 3| = 10
5 * |x + 3| = 10
|x + 3| = 2
x + 3 = 2 lub x + 3 = -2
x = -1 lub x = -5
|2 * (x+3)| + |3 * (x+3)| = 10
|2| * |x + 3| + |3| * |x + 3| = 10
2 * |x + 3| + 3 * |x + 3| = 10
5 * |x + 3| = 10
|x + 3| = 2
x + 3 = 2 lub x + 3 = -2
x = -1 lub x = -5