Since you know the value of x, you can substitute/plug it into the equation to find the value of y:
y = 2x + 5 Â Â Â Plug in 1 into "x" since x = 1
y = 2(1) + 5
y = 7
When x = 1, y = 7 --> Â (x, y) = (1, 7) Â Â Â Your answer is #4
42
step-by-step explanation:
a is the right answer