Odpowiedź:
4 * x - 12= 36
4x - 12 = 36
4x = 36 + 12
4x = 48
X = 12
Spr. 4*12 - 12 = 36
5 *x - 1 + 6*x = 32
5x - 1 + 6x = 32
5x + 6x = 32 + 1
11x = 33
X= 3
Spr. 5*3 - 1 +6*3 = 15 - 1 + 18 = 14 + 18 = 32
