oblicz równanie pisemnie:
6x+5=30+x
6x-x=30-5
5x=25/ :5
x=5
6x-x+5=30
5x=30-5
5x=25/5
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6x+5=30+x
6x-x=30-5
5x=25/ :5
x=5
6x+5=30+x
6x-x+5=30
5x=30-5
5x=25/5
x=5