2x-5y=-33
5x+2y=19
2x – 5y = –33 both sides x5 ==> 10x – 25y = –165
5x + 2y = 19 both sides x2 ==> 10x + 4y = 38
subtract – 29y = –203
y = 7
2x – 5y = –33
2x – (5)(7) = –33
2x – 35 = –33
2x = 2
x = 1
check answer
Does (5)(1) + (2)(7) = 19 ?
5 + 14 = 19 ?
19 = 19 True
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