Odpowiedź:
1. a-6 + x = 23-x - 17+2x
= a-6 + x = 6+x
= a-6 = 6
= a = 6+6
= a=12
2. 2x - 4x = 84 - 3x
= -2x = 84 - 3x
= -2x + 3x = 84
= x = 84
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Odpowiedź:
1. a-6 + x = 23-x - 17+2x
= a-6 + x = 6+x
= a-6 = 6
= a = 6+6
= a=12
2. 2x - 4x = 84 - 3x
= -2x = 84 - 3x
= -2x + 3x = 84
= x = 84