Posted by Alex on .
Solve by elimination: 5x+7y=77 , 5x+3y=53 can you please help me out step by step so I can understand it on my own, thanks.

Math 
Kuai,
1(5x+7y=77 )
5x 7y = 77
5x+3y=53
4y = 24
y = 6
5x + 3(6) = 53
5x + 18 = 53
5x = 35
x = 7