6) Solve the inequality 21x +5x >6 and put your answer in interval notation. 7) Solve for x: 5x-2x+7=0 8) Solve for x:x +x–18 = 12
6) Solve the inequality 21x +5x >6 and put your answer in interval notation. 7) Solve for x: 5x-2x+7=0 8) Solve for x:x +x–18 = 12
Chapter3: Graphs And Functions
Section3.4: Graph Linear Inequalities In Two Variables
Problem 278E: Elena needs to earn at least $450 a week during her summer break to pay for college. She works two...
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