SPM 2024 Add Maths Paper 1, Question 6Systems of Equations
Solved on video in English and Bahasa Melayu · Form 4, Systems of Equations · 5:19 video
The question
Solve the following simultaneous equations by using the method of substitution and / or elimination. 2x + 3y − 2z = −6 , −3x + y + 4z = −7 , −4x − 5y − 6z = 4.
Step 1
Label the equations: (1) 2x + 3y − 2z = −6, (2) −3x + y + 4z = −7, (3) −4x − 5y − 6z = 4.
6 more steps, each with the reason for it, in the full solution
Final answer
x = 2, y = −3, z = 1/2
Where students lose marks
Watch out: multiply every term in the bracket. 10(−19 − 7y) is −190 − 70y, not −190 − 7y.
Watch every step of this question solved on video (5:19), with the reason behind each step and a box that checks your own answer.
No card. Every past-year question on video, in English and BM.
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