No.141 Two-Step Inequalities
POINT
Move terms across the inequality sign and collect like terms. When dividing by a negative number, reverse the inequality sign.
Example
Solve the following inequalities.
1
\(3x+5<17\)
\(x<4\)
2
\(7-2x\leq15\)
\(x\geq-4\)
TRY
Solve the following inequalities.
TRY 1
\(2x+3<11\)
\(x<4\)
TRY 2
\(5x-4\geq16\)
\(x\geq4\)
TRY 3
\(9-3x>0\)
\(x<3\)
TRY 4
\(4-2x\leq10\)
\(x\geq-3\)
TRY 5
\(3x+8\geq-1\)
\(x\geq-3\)
TRY 6
\(6-4x<18\)
\(x>-3\)