9x+27-4x-16=18-x-5
9x+4x+x=18-5+16-27
6x=2
x=1/3
Alenie jestem do końca pewna :)
9x+27-4x-16=18-x-59x-4x+x=-27+16+18-56x=2/:6x=2/6 = 1/3
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9x+27-4x-16=18-x-5
9x+4x+x=18-5+16-27
6x=2
x=1/3
Alenie jestem do końca pewna :)
9x+27-4x-16=18-x-5
9x-4x+x=-27+16+18-5
6x=2/:6
x=2/6 = 1/3