x + 2y = –15
–7x + 4y = 15
–8x − 10y = –14
2x + y = –7
2log(3x+2)=log 121
find x
find X
–2x − 6y = 20
7x − 9y = –10
48 over 42 as a equivalent fraction
–2x + y = –8
9x − 10y = –19
–9x + 7y = –4
–7x + 3y = –8
7x + 6y = 7
2x + 3y = –7
