Question

For line y = 20 + 2x, if x = 20, the value of y is ______.

पर्याय

• 40

• 60

• 80

• 0

Answer 1

For line y = 20 + 2x, if x = 20, the value of y is 60.

Explanation:

Substituting x = 20 into the linear equation y = 20 + 2x:

y = 20 + 2(20)

= 20 + 40

= 60