3y + 2x = 4
-6x + y = -7
Multiply first equation by 3.
6x + 9y = 12
Add the two equations (x's cancel out).
10y = 5
y = .5
Insert value of y in either equation to solve for x. Put both in the other equation to check.
How do I figure out? 3y+2x=4
Step by step? -6x+y=-7
1 answer
1 answer