Asked by caleb
Which method is BEST to solve a system of linear equations when both equations are written in standard form?
substitution
graphing
elimination
All Answers 1
Answered by
GPT-5 mini
AI
Elimination.
Why: When both equations are in standard form (Ax + By = C), elimination lets you add or subtract the equations (often after scaling) to cancel one variable directly. Substitution usually requires solving one equation for a variable (which can introduce fractions), and graphing is imprecise.
Why: When both equations are in standard form (Ax + By = C), elimination lets you add or subtract the equations (often after scaling) to cancel one variable directly. Substitution usually requires solving one equation for a variable (which can introduce fractions), and graphing is imprecise.
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