oblicz i sprawdź swoje rozwiazania
(-34)+13x=(-13x)-34
2.doprowadź do najprostrzej postaci i oblicz
3a+2b-2a-2b
a=(-3)
b+6
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13x + 13x = -34 + 34
26x = 0 |:26
x = 0
sprawdzenie: (-34) + 13*0 = -13*0 - 34
13*0 + 13*0 = 34 - 34
0 = 0
2)
3a + 2b - 2a - 2b = a
3*(-3)+ 2*6 - 2*(-3) - 2*6 = -9 + 12 +6 - 12 = -3
13x + 13x = -34 + 34
26x = 0 |:26
x = 0
sprawdzenie: (-34) + 13*0 = -13*0 - 34
13*0 + 13*0 = 34 - 34
0 = 0
2
3a + 2b - 2a - 2b = a
3*(-3)+ 2*6 - 2*(-3) - 2*6 = -9 + 12 +6 - 12 = -3