Join IDNLearn.com and become part of a knowledge-sharing community that thrives on curiosity. Our platform provides detailed and accurate responses from experts, helping you navigate any topic with confidence.
6x+9y=57
-6x+y=33
------------------ (+)
6x+(-6x)+9y+y=57+33
10y=90 /:10
y=9
-6x+y=33
-6x+9=33 /-9
-6x=24 /:(-6)
x=-4