1. The point (3, 1) is on the line whose equation is 2x + y = c. What is the value of c?
1 answer:
Answer:
c = 7
Step-by-step explanation:
Given
2x + y = c
Since (3, 1) is on the line then it makes the equation true,
Substitute x = 3, y = 1 into the equation
2(3) + 1 = c
6 + 1 = c
7 = c
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