Current location - Training Enrollment Network - Mathematics courses - Shanghai Science Edition Mathematics Book 8 1 Page 7 for the seventh grade next semester
Shanghai Science Edition Mathematics Book 8 1 Page 7 for the seventh grade next semester
x(y-5)-y(x-2)= 12

2x(6y- 1)+4y(2-2x)=4(xy+3)

Simplify the first formula

-5x+2y= 12

Simplify the second formula

-2x+8y= 12

Simultaneous solution of binary linear equations

Get x=-2 y= 1.