Question

2y = 2x-4
y + 3x = 10

(substitution)

Answer 1

x = 3, y = 1

Explanation:

2y = 2x - 4, so y = x - 2. Substituting this into the bottom equation and solving for x:

x - 2 + 3x = 10

4x - 2 = 10

4x = 12, so x = 3 and y = 1.