3a + 1 3/4 = 2 1/5
3a = 2 1/5 - 1 3/4
3a = 2 4/20 - 1 15/20
3a = 9/20 /:3
a = 3/20
Pozdrawiam.
3a=-7/4
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3a + 1 3/4 = 2 1/5
3a = 2 1/5 - 1 3/4
3a = 2 4/20 - 1 15/20
3a = 9/20 /:3
a = 3/20
Pozdrawiam.
3a=-7/4