方程组{ay-by=4,ay+bx=2与{2y+3x=4,4y-5x=-6同解,求a和b的值!

问题描述:

方程组{ay-by=4,ay+bx=2与{2y+3x=4,4y-5x=-6同解,求a和b的值!

{2y+3x=4,4y-5x=-6;
11x=14;x=14/11;
y=1/11;
a-14b=44;
a+14b=22;
a=33;
b=-11/14;