math 3
posted by hunter .
Solve the following system using the elimination method:
10x  6y = 16
5x + 2y = 22

Add three times the second equation to the first to get:
(10+15)x=16+66
25x = 50
x=2
Substitute x=2 into the second equation to get:
5(2)+2y=22
2y=2210=12
y=6
Now substitute x=2 and y=6 into the first equation to check solution
10(2)6(6)=16 so solution is correct.
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