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https://math.answers.com/math-and-arithmetic/How_do_you_know_if_a_equation_is_true

How do you know if a equation is true? - Answers

For elementary algebra equations, merely simplifying both sides and seeing if they match might work. For advanced algebra and trig, try transforming one side to the other, or both to a different third thing. If you are successful with either thing, it is true. If you reached the end of your figuring and got something that isn't always true (e.g. x2 = x or y = 5), then it's false.



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How do you know if a equation is true? - Answers

https://math.answers.com/math-and-arithmetic/How_do_you_know_if_a_equation_is_true

For elementary algebra equations, merely simplifying both sides and seeing if they match might work. For advanced algebra and trig, try transforming one side to the other, or both to a different third thing. If you are successful with either thing, it is true. If you reached the end of your figuring and got something that isn't always true (e.g. x2 = x or y = 5), then it's false.



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https://math.answers.com/math-and-arithmetic/How_do_you_know_if_a_equation_is_true

How do you know if a equation is true? - Answers

For elementary algebra equations, merely simplifying both sides and seeing if they match might work. For advanced algebra and trig, try transforming one side to the other, or both to a different third thing. If you are successful with either thing, it is true. If you reached the end of your figuring and got something that isn't always true (e.g. x2 = x or y = 5), then it's false.

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      For elementary algebra equations, merely simplifying both sides and seeing if they match might work. For advanced algebra and trig, try transforming one side to the other, or both to a different third thing. If you are successful with either thing, it is true. If you reached the end of your figuring and got something that isn't always true (e.g. x2 = x or y = 5), then it's false.

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