4x+7y=13 2x-5y=-19
4x + 7y = 13
2x - 5y =-19 Subtract this equation from the first equation
2x+12y = 32
2x + 12y = 32
x + 6y = 16
x= -6y+16
4(-6y+16) +7y = 13
-24y + 64 + 7y = 13
-24y + 7y = 13 - 64 = -51
-17y = -51
y = 3 <<<<<
2x - 5*3 = -19
2x = -4
x = -2 <<<<<
4(-2) + 7(3) = 13
-8 + 21 = 13
2(-2) - 5(3) = -19
-4 - 15 = -19