Răspuns:
Explicație pas cu pas:
2x + 7 = 2(3x + 1)
2x + 7 = 6x + 2
6x - 2x = 7 - 2
4x = 5
x = 5/4
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Răspuns:
Explicație pas cu pas:
2x + 7 = 2(3x + 1)
2x + 7 = 6x + 2
6x - 2x = 7 - 2
4x = 5
x = 5/4