MCQ
Find the value of m from the equation 2x + 3y = m. If its one solution is x = 2 and y = −2
Options
2
− 2
10
0
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Solution
– 2
Explanation;
Hint:
The equation is 2x + 3y = m
Substitute x – 2 and y = – 2 we get
2(2) + 3(– 2) = m
⇒ 4 – 6 = m
⇒ – 2 = m
Concept: Methods of Solving Simultaneous Linear Equations by Substitution
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