Odpowiedź:
2x + 12 = 5x
12 = 5x - 2x
3x = 12 / : 3
x = 4
6y = 2y + 8
6 y - 2y = 8
4 y = 8 / :4
y = 2
4 + 4y = 3y+7
4y - 3y = 7 - 4
y = 3
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Odpowiedź:
2x + 12 = 5x
12 = 5x - 2x
3x = 12 / : 3
x = 4
6y = 2y + 8
6 y - 2y = 8
4 y = 8 / :4
y = 2
4 + 4y = 3y+7
4y - 3y = 7 - 4
y = 3