2x+5+x=17
2x+x=17-5
3x=12/:3
x=4
rozwiozaiem ruwnania jest 4
3x=17-5
3x=12 /:3
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2x+5+x=17
2x+x=17-5
3x=12/:3
x=4
rozwiozaiem ruwnania jest 4
2x+5+x=17
3x=17-5
3x=12 /:3
x=4