Question

For the line 2x − y = 7 and for x = 3 the value of y is ______.

पर्याय

• 1

• −1

• 5

• −5

Answer 1

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