Преобразуйте выражения в тождественно равные a) -1,2a - 2,5 + 1/5a - 3,5 =
b) 3/11a (-2 ⅕ )*в =
c) ⅗ - (-0,5x - 10) + 4=
д) 3,4х + 1,6 - 2,8х - 2=
e) -3½ -y 4х=
ж) -4* (1½ x-3) - 10=
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