Question

хелп 3,4у-1,7=1,4-1,7

Answer 1

$3.4y - 1.7 = 1.4 - 1.7 \\ 3.4y = 1.4 - 1.7 + 1.7 \\ 3.4y = 1.4 \\ 34y = 14 \\ y = \frac{14}{34} \\ y = \frac{7}{17}$