Question

resolva as inequações

3 (2×-3)+4(1+x)<17

5x-1>9

Answer 1

a) 6x-9+4+4x<17
6x+4x-5<17
10x<17+5
10x<22
x<22/10 ou x< 11/5

b) 5x-1>9
5x>9+1
5x>10
x>10/5
x>2