How do you know if you add or subtract in elimination?

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asked Oct 12, 2024 150k views

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JosEduSol · Answer 1 · 2024-10-16T11:57:10+0000

When the coefficients of one variable are opposites you add the equations to eliminate a variable and when the coefficients of one variable are equal you subtract the equations.

How do you know if you add or subtract in elimination?

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