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Question
For line y = 20 + 2x, if x = 20, the value of y is ______.
Options
40
60
80
0
MCQ
Fill in the Blanks
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Solution
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
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