Question

Find the solution of y = 2x + 5 for x = 1.

Answer 1

(1, 7)

Explanation:

Substitute x = 1 into the equation for the corresponding value of y

y = 2x + 5 = (2 × 1) + 5 = 2 + 5 = 7

Solution is (1, 7)

Answer 2

y=7

Explanation:

y = 2x+5

Let x =1

y = 2(1) +5

y = 2 +5

y =7