What is the value of y in the solution to the following system of linear equations? 2 x plus 2 is equal to y 2 y is equal to 5 x minus 1
Answer
A
3
B
5
C
12
D
8
Explanation
From the first equation, y = 2x + 2. Substitute this into the second equation: 2(2x + 2) = 5x − 1, which gives x = 5; then y = 2(5) + 2 = 12. The correct choice is 12.
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