Subject
Quantitative Aptitude
Topic
Number
3x + y = 19 and x + 3y = 1. Find the value of 2x + 2y
3x + y = 19 and x + 3y = 1. Find the value of 2x + 2y
ক)
20খ)
18গ)
11ঘ)
10Explanation
To solve a pair of simultaneous equations such as those given we can add or subtract them. Adding we get 4x + 4y = 20 Therefore 2x + 2y = 10Related questions
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