Mathematics - Algebra - Systems of Equations - Solving systems by elimination - Elimination Method

7 steps: (1) System: 2x+3y=12, 4x-3y=6. (2) Notice: +3y and -3y are OPPOSITES! Adding eliminates y. (3) Add: 6x=18 → x=3. (4) Substitute back: 2(3)+3y=12 → y=2. (5) When coefficients don't match: multiply one/both equations. System: 3x+2y=16, 5x+4y=28. (6) Multiply equation 1 by -2: -6x-4y=-32. Add

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Mathematics - Algebra - Systems of Equations - Solving systems by elimination - Elimination Method
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Mathematics - Algebra - Systems of Equations - Solving systems by elimination - Elimination Method

vivmagarwal
vivmagarwalJan 29, 2026

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7 steps: (1) System: 2x+3y=12, 4x-3y=6. (2) Notice: +3y and -3y are OPPOSITES! Adding eliminates y. (3) Add: 6x=18 → x=3. (4) Substitute back: 2(3)+3y=12 → y=2. (5) When coefficients don't match: multiply one/both equations. System: 3x+2y=16, 5x+4y=28. (6) Multiply equation 1 by -2: -6x-4y=-32. Add

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MathematicsAlgebra - Systems of EquationsGrade 8, Class 10, IGCSE, Class 10, MYP Grade 10

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