Question

X-y=26
X-3y =0
Solve this pair of linear equation

Answer 1

Answer:

$x - y = 26 \\ x = 26 + y$

$x - 3y = 0 \\ 26 + y - 3y = 0 \\ 26 - 2y = 0 \\ 26 = 2y \\ y = 26 \div 2 = 13$

$x = 26 + 13 = 39$