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3x-2x=-8+4
x=-4
2. x+3-2x=6-2x
x-2x+2x=6-3
x=3
wiec:
3x-2x=-8+4 i obliczmy
x=-4
x+3-2x=6-2x tutaj tak samo
x-2x+2x=6-3
x=3
x-4=8 /-4
x=4
2. x+3-2x=6-2x /-2x
x+3=6 /-3
x=3