Объяснение:
2(5х-19)2-8(5х-19)= -6
(2*2-8)*(5х-19)= -6
(4-8)*(5х-19)= -6
-4(5х-19)= -6
5х-19=
5х=+19
5х=
х=
х=4, х=4.1
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Объяснение:
2(5х-19)2-8(5х-19)= -6
(2*2-8)*(5х-19)= -6
(4-8)*(5х-19)= -6
-4(5х-19)= -6
5х-19=
5х=
+19
5х=
х=
х=4
, х=4.1