Question

Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 7x + 8y = 51 7x + 10y = 55

Answer 1

7x+8y=51
7x+10y=55
----------- -
-2y=-4 -> y=2
substitute to find x
7x+8(2)=51 -> 7x+16=51
7x=35 ->x=5

Answer 2

thank you very much for the help i came up with that answer but i wasn't sure if it was correct
now can i ask a silly question?

Answer 3

sure