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a) 6x-2-4x+3+x=5x+10-3x+6-15
6x-4x+x-5x+3x=10+6-15+2-3
x=0
b)3x/4-1+x/3=3/8-x
????
nierówność
a)6x-10+2-2x>3-8+4x
6x-2x-4x>3-8+10-2
0x>3
rozwiązanie sprzeczne x≠0
b) 2x-3(x-1)/2≤x-1
2x-(3x+3)/2≤x-1 /*2
4x-6x+6≤x-1
4x-6x-x≤-1-6
-3x≤-7 /÷ -3
x≥7/3
x≥1⅓