{ 10 - 4х > 3 - 3х
{ 2х - 0,25х > 3,5
{ -4х + 3х > 3 - 10
{ 1,75х > 3,5
{ -х > -7
{ х < 7
{ х > 3,5 : 1,75
{ х > 2
\\\\\\\\\\\.0\\\\\\\\\\\\\\\\\\\\7________
______.0__2///////////////////////////////
Пересечение множеств:
(-∞; 7) ∩ (2; ∞) = (2; 7)
х ∈ (2; 7)
Или
2 < х < 7
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Answers & Comments
{ 10 - 4х > 3 - 3х
{ 2х - 0,25х > 3,5
{ -4х + 3х > 3 - 10
{ 1,75х > 3,5
{ -х > -7
{ 1,75х > 3,5
{ х < 7
{ х > 3,5 : 1,75
{ х < 7
{ х > 2
\\\\\\\\\\\.0\\\\\\\\\\\\\\\\\\\\7________
______.0__2///////////////////////////////
Пересечение множеств:
(-∞; 7) ∩ (2; ∞) = (2; 7)
х ∈ (2; 7)
Или
2 < х < 7