Question

which ordered pair is the solution to the system below x+3y=7 or x +2y=10

Answer 1

x=2n
y=5-n

Answer 2

x+3y =7
x +2y=10
---------

Multiply the second equation by -1

x + 3y = 7
-x-2y = -10
========
0 + y = -3

y = -3

Now substitute this value in any equation to get the value for x.

Answer 3

what

Answer 4

?