Răspuns:
Explicație pas cu pas:
a)
2x - 6 + 14x - 7 = 19 - 4x - 8
16x - 13 = 11 - 4x
16x + 4x = 11 + 13
20x = 24
x = 24/20 = 6/5
b)
x - 3/4 = 5/8
x = 5/8 + 3/4 = 5/8 + 6/8 = 11/8
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x - 3/4 = -5/8
x = -5/8 + 3/4 = -5/8 + 6/8 = 1/8
