Odpowiedź:
a)2x + 12 = 5x
12 = 5x - 2x
12 = 3x | /3
x = 4
b) 6y = 2y + 8
6y - 2y = 8
4y = 8 | /4
y = 2
c) 4+ 4y = 3y + 7
4y - 3y = 7 - 4
y = 3
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Odpowiedź:
a)2x + 12 = 5x
12 = 5x - 2x
12 = 3x | /3
x = 4
b) 6y = 2y + 8
6y - 2y = 8
4y = 8 | /4
y = 2
c) 4+ 4y = 3y + 7
4y - 3y = 7 - 4
y = 3
Odpowiedź:
a)2x + 12 = 5x
12 = 5x - 2x
12 = 3x | /3
x = 4
b) 6y = 2y + 8
6y - 2y = 8
4y = 8 | /4
y = 2
c) 4+ 4y = 3y + 7
4y - 3y = 7 - 4
y = 3
Szczegółowe wyjaśnienie: