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Question
For the line 2x − y = 7 and for x = 3 the value of y is ______.
Options
1
−1
5
−5
MCQ
Fill in the Blanks
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Solution
For the line 2x − y = 7 and for x = 3 the value of y is −1.
Explanation:
Substituting x = 3 into the equation 2x − y = 7:
2(3) − y = 7
6 − y = 7
−y = 7 − 6
−y = 1
y = −1
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Chapter 24: Graphical Solution [Solution of Simultaneous Linear Equations, Graphically] - TEST YOURSELF [Page 366]
