Answer:
3(2x-5y) = 3(-1)
2(-3x+2y)= 2(7)
6x-15y = -3
-6x +4y = 14
now, add the two equations
0x - 11y = 11
divide both sides by -11
y = -1
insert -1 in for y in either original equation and solve for x.
2x -5(-1) = -1
2x +5 = -1
2x +5 -5 = -1 -5
2x = -6
2x ÷2 = -6 ÷2
x= -3
