Question

What is the value of y for drawing the graph of 3x + y = 12, if x = 5?
(B) - 1.5 (C) 0.5
(D) –0.5
(A) 1.5​

Answer 1

Answer:

3x+y=12

putting x=5 in the equation,

3×5+y=12

or, 15+y=12

or, y=-3

so the answer is in none of the options, it's -3

Answer 2

Answer:

0.5

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