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What is the answer to |-2x-5|-|-4+8| and x=7

Antonia and carla have an equivalant percentage of green marbles in their bags of marbles. antonia has 4 green marbles and 16 total matbles. if carla has 10 green marbles , how many total marbles does carla have

Explain how you do each step what term makes it inconsistent y=2x - 4 ?