rowiąż równanie 3a+4=6/5a-2
3a-6/5a=-2-4
15/5a-6/5a=-6
9/5a=-6 /: 9/5
a=-6*5/9
a=-10/3
a=-3⅓
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3a-6/5a=-2-4
15/5a-6/5a=-6
9/5a=-6 /: 9/5
a=-6*5/9
a=-10/3
a=-3⅓