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MATH / If x+y=7 and x−y=9, find the product of x and y.

Problem

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problem

x + y = 7

and

x - y = 9

, find the product of

x

and

y

Plain-text mathematical notation (without MathML)

If x+y=7 and x−y=9, find the product of x and y.

Original LaTeX notation

If $x + y = 7$ and $x - y = 9$, find the product of $x$ and $y$.

level

Level 1

type

Algebra

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task_id: 55a72b8e-3206-5c36-98ac-6f034742d322
task_key: algebra--test--55a72b8e-3206-5c36-98ac-6f034742d322
task_revision_id: 2
config / split: algebra / test

Official source

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