a, 35 - \(x\) < 35 - 5
35 - \(x\) < 30
\(x\) < 35 - 30
\(x\) < 5
\(x\) = 1; 2; 3; 4; 5
b, \(x\) - 10 < 35 - 10
\(x\) - 10 < 15
\(x\) < 15 + 10
\(x\) < 25
\(x\) = 0; 1; 2; 3; 4; 5; ....;24
c, \(x\) - 10 < 45
\(x\) < 45 + 10
\(x\) < 55
\(x\) = 0; 1; 2; 3; 4;...;54