Solve the inequalities:
7≤(3x+11)2≤11
Solve the inequalities in Exercieses 7 to 10 and represent the solution graphically on number line:
3x-7 > 2(x-6),6-x > 11 -2x
Solve the following systems of equations:
3x−y+711+2=10
2y+x+117=10