Problem Statement
If 2x + 3y = 13 and x − y = 1, find x.
Explanation
From x − y = 1, we have x = y + 1. Substitute into 2x + 3y = 13: 2(y+1) + 3y = 13 ⇒ 5y + 2 = 13 ⇒ 5y = 11 ⇒ y = 11/5. Then x = y + 1 = 11/5 + 5/5 = 16/5.
Code Solution
SolutionRead Only
x=y+1 ⇒ 2(y+1)+3y=13 ⇒ y=11/5 ⇒ x=16/5
