Solve the following system of equations using the substitution method.
x = 2y + 11

7x + 2y = 13
Question 7 options:

A)

(–3,4)

B)

(3,–6)

C)

(3,6)

D)

(3,–4)

Scenario: susan wants to make 2 square flags to sell at a crafts fair. the fabric she wants to buy is 3 meters wide. she doesn't want any fabric left over. what's the least amount of fabric she should buy? question: which equation will susan solve her problem? note: let x represent the length of 1 side of the flag. options: 1) 2x^2 = 4x 2) 8 +2x = 2(4x) 3) 2 * 2 = 4 * 2 4) 4x^2 -2x = 0