21,891 views
13 votes
13 votes
-2x - y = -9
5x - 2y = 18
Solve as a whole number.

User Jcamelis
by
2.4k points

1 Answer

20 votes
20 votes

-y = -9 + -2x

y = 9 - 2x

5x - 2( 9 - 2x ) = 18

5x - 18 - 2x = 18

5x - 2x = 18 + 18

7x/7 = 36/7

approximately 5

User TheKearnol
by
2.4k points