Data task 71: A New Zealand Level 2 learner connects multiple ideas in an applied local or national context. Solve x + y = 14 and 2x − y = 19. What is x?

Data task 71: A New Zealand Level 2 learner connects multiple ideas in an applied local or national context. Solve x + y = 14 and 2x − y = 19. What is x?

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