Question 1014456
Solve the system of linear equations by elimination.

2x+7y=1
2x−4y=12
<pre>2x + 7y = 1 -------- eq (i)
2x - 4y = 12 ------- eq (ii)
First thing to do is: Subtract eq (ii) from eq (i)
Doing so, you should get: {{{highlight_green(matrix(1,4,y = - 1, and, "then:", x = 4))}}}